MS21299C9

Recessed Washer

This page provides complete and verified information for part number MS21299C9, NSN 5310-01-505-3022

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

MS21299C9
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-505-3022
Item Name Code
15933
Assigment Date
03/03/2003 (23 years ago)

An adapter with electrical contacts which provides facilities for joining two or more electrical connectors, whose design or function will not normally warrant their junction. It is not designed for permanent attachment to a cable, cord, coaxial line, or wire. The physical shape of an electrical connector should not be the determining factor of its name. Tee, angle, straight, and y-shaped adapters are all adapter, connector. Excludes:adapter, connector to lampbase; adapter, lampholder to connector; adapter (1), cable clamp to connector; and adapter, lampholder. For items designed as a mechanical connection between an electrical conduit and an electrical connector, see adapter (1), electrical conduit.

0.684 inches minimum and 0.694 inches maximum recess diameter, 0.071 inches minimum and 0.085 inches maximum material thickness, 39.0 rockwell c minimum and 45.0 rockwell c maximum hardness rating, 0.564 inches minimum and 0.568 inches maximum hole diameter, 1.059 inches minimum and 1.069 inches maximum outside diameter

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Hole Diameter
0.564 inches minimum and 0.568 inches maximum
Outside Diameter
1.059 inches minimum and 1.069 inches maximum
Recess Diameter
0.684 inches minimum and 0.694 inches maximum
Material Thickness
0.071 inches minimum and 0.085 inches maximum
Hardness Rating
39.0 rockwell c minimum and 45.0 rockwell c maximum
Recess Angle
90.0 degrees nominal
Surface Finish
125.0 microinches all surfaces
Special Features
spec calls this: washer, countersunk, for use with bolts and nuts up to and including 260 ksi flu
Material
steel comp 4130 overall
Material Document And Classification
mil-s-6758&jdamil-s-18729 mil spec single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416, type ii, class 2 fed spec all treatment responses overall
Style Designator
recessed

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
1 - Full descriptive item identification
Automatic Data Processing Point
0 - Represents items with no adp components
Demilitarization
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A022B0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0015933
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7318220000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
KZ
National Motor Freight Classification Item Number
093486
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
48950
National Motor Freight Class Rating
W - Rating variable
Water Commodity
573 - Bolts or nuts (iron or steel),(less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for MS21299C9

What is the FSCG of the NSN 5310-01-505-3022?
The FSCG of the NSN 5310-01-505-3022 is 5310
Does the NSN 5310-01-505-3022 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-505-3022 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-01-505-3022 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-505-3022 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-01-505-3022 was assigned to the Federal Catalog?
It was assigned 23 years ago, on Mon, Mar 3, 2003

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