2703-4

Brake Drum

This page provides complete and verified information for part number 2703-4, NSN 2530-00-426-9491

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.

Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2530 Vehicular Brake, Steering, Axle, Wheel and Track Components

National Stock Number

2530-00-426-9491

Item Name Code

11298

Assigment Date

01/01/1963 (63 years ago)

6 mounting hole quantity, 0.656 inches nominal mounting hole diameter, 14.000 inches nominal overall outside diameter, 6.430 inches nominal overall width, 7.000 inches minimum and 7.004 inches maximum center hole diameter

Characteristics

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

Overall Width: 6.430 inches nominal
Mounting Hole Diameter: 0.656 inches nominal
Mounting Hole Quantity: 6
Overall Outside Diameter: 14.000 inches nominal
Center Hole Diameter: 7.000 inches minimum and 7.004 inches maximum
Mounting Hole Spacing: equally spaced on 8.245 in. min,8.255 in. max bolt circle
Braking Surface Location: internal
Braking Surface Diameter: 12.250 inches minimum and 12.255 inches maximum
Braking Surface Width: 5.625 inches nominal
Cooling Fin: not included
Adjustment Hole: not included
Inspection Hole: not included
Oil Drain Hole: not included
Balancing Pad: not included
Material: iron cast overall

Classification Data

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

Type of Item Identification
Source of Supply
Demilitarization
Criticality
Federal Item Identification Guide
Precious Metals Indicator
Pseudo Item Name Code
Hazardous Material Indicator
Schedule B Code

Freight Information

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

Major Organizational Entity
National Motor Freight Classification Item Number
National Motor Freight Classification Sub-Item Number
Uniform Freight Classification Item Number
National Motor Freight Class Rating
Less than Car Load Rating
Rail Variation
Water Commodity
Type of Cargo
Special Hand
Air Dimension
Air Commodity
National Motor Freight Description

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 2703-4

What is the FSCG of the NSN 2530-00-426-9491?

The FSCG of the NSN 2530-00-426-9491 is 2530

Does the NSN 2530-00-426-9491 have a Schedule B code assigned?

Yes, the Schedule B code is 8708300050

Does NSN 2530-00-426-9491 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 2530-00-426-9491 contain precious materials?

Precious metal content is unknown

Does NSN 2530-00-426-9491 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 2530-00-426-9491 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963