678

View detailed technical data, stock status, and sourcing information for: 678
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

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

National Stock Number

2530-00-139-4058

Item Name Code

17121

Assigment Date

08/18/1971 (55 years ago)

14 component quantity, push rod retainer 1,o ring 1,screw 2,primary cup 1,secondary cups 2,tube seat inserts 2,check valve w/springs 2,primary piston assembly 1,retaining @ring 1,washer 1 nonsupply items and quantities

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Component Quantity: 14
Nonsupply Items And Quantities: push rod retainer 1,o ring 1,screw 2,primary cup 1,secondary cups 2,tube seat inserts 2,check valve w/springs 2,primary piston assembly 1,retaining @ring 1,washer 1

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
175-188	Hydraulic Brake Master Parts Kit
2701	Hydraulic Brake Master Parts Kit
2740	Hydraulic Brake Master Parts Kit
390934C91	Hydraulic Brake Master Parts Kit
678	Hydraulic Brake Master Parts Kit
F71643	Hydraulic Brake Master Parts Kit
K71643	Hydraulic Brake Master Parts Kit

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2530-00-139-4058?

The FSCG of the NSN 2530-00-139-4058 is 2530

Does the NSN 2530-00-139-4058 have a Schedule B code assigned?

Yes, the Schedule B code is 8708300050

Does NSN 2530-00-139-4058 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 2530-00-139-4058 contain precious materials?

Precious metal content is unknown

Does NSN 2530-00-139-4058 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 2530-00-139-4058 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Aug 18, 1971