PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C40Lining,friction

American Standard Inc Westinghouse Air Brake Co Div · NSN 2530-00-371-3647 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-371-3647 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-371-3647. Primary manufacturer part number: C40.
Features
  • Lining,friction — FSC 2530
  • Major Diameter: 12.220 INCHES MINIMUM AND 12.260 INCHES MAXIMUM IN
  • Thickness: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
  • Minor Diameter: 9.953 INCHES MINIMUM AND 10.047 INCHES MAXIMUM IN
  • Width: 3.188 INCHES MINIMUM AND 3.312 INCHES MAXIMUM IN
  • Lining Style: CONE DISK
  • 1 verified cross-reference
  • Primary manufacturer: American Standard Inc Westinghouse Air Brake Co Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lining,friction, cataloged under National Stock Number 2530-00-371-3647, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-00-371-3647
Primary Part NumberC40
Item NameLining,friction
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerAmerican Standard Inc Westinghouse Air Brake Co Div
StatusACTIVE
Major Diameter12.220 INCHES MINIMUM AND 12.260 INCHES MAXIMUM IN
Thickness0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Minor Diameter9.953 INCHES MINIMUM AND 10.047 INCHES MAXIMUM IN
Width3.188 INCHES MINIMUM AND 3.312 INCHES MAXIMUM IN
Lining StyleCONE DISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-006-1036C-40 INTERCHANGEABLE
Cover,access
Naval Air Warfare Center Weapons Div
3130-00-184-21406Y1123F INTERCHANGEABLE
Bearing Unit,ball
Garwood/feller Inc Garwood Winch Div
5331-00-198-6183 INTERCHANGEABLE
O-Ring
5940-00-239-903340H INTERCHANGEABLE
Splice,conductor
Abb Installation Products Inc
7520-00-240-24117000052011 INTERCHANGEABLE
Dispenser,pressure Sensitive Adh
3m Company
5345-00-247-5938 INTERCHANGEABLE
Stone,sharpening
3930-00-965-0094 INTERCHANGEABLE
Truck,lift,fork
3455-00-984-3406160015 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
6625-01-021-2398Y8205 INTERCHANGEABLE
Carrying Case
Fluke Corp
2815-01-044-4932J-8-1-10 INTERCHANGEABLE
Ring,piston
Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division
Cross-Reference Index
Part NumberManufacturer
C40 American Standard Inc Westinghouse Air Brake Co Div (USA)
Related Parts
5340-00-006-1036INTERCHANGEABLE
COVER,ACCESS
C-40
3130-00-184-2140INTERCHANGEABLE
BEARING UNIT,BALL
6Y1123F
5331-00-198-6183INTERCHANGEABLE
O-RING
5940-00-239-9033INTERCHANGEABLE
SPLICE,CONDUCTOR
40H
7520-00-240-2411INTERCHANGEABLE
DISPENSER,PRESSURE SENSITIVE ADH
7000052011
5345-00-247-5938INTERCHANGEABLE
STONE,SHARPENING
3930-00-965-0094INTERCHANGEABLE
TRUCK,LIFT,FORK
3455-00-984-3406INTERCHANGEABLE
FILE,ROTARY
160015
6625-01-021-2398INTERCHANGEABLE
CARRYING CASE
Y8205
2815-01-044-4932INTERCHANGEABLE
RING,PISTON
J-8-1-10
5315-01-147-4984INTERCHANGEABLE
PIN,STRAIGHT,HEADED
3415-01-210-2126INTERCHANGEABLE
GRINDING MACHINE,TOOL AND CUTTER
C-40

Frequently Asked Questions

What is NSN 2530-00-371-3647?

NSN 2530-00-371-3647 is a Lining,friction, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-371-3647?

NSN 2530-00-371-3647 has 1 cross-referenced part number: C40 (American Standard Inc Westinghouse Air Brake Co Div).

What NSN replaces 2530-00-371-3647?

There are 12 known substitutes for 2530-00-371-3647: 5340-00-006-1036, 3130-00-184-2140, 5331-00-198-6183 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C40?

Key specifications for C40: Major Diameter: 12.220 INCHES MINIMUM AND 12.260 INCHES MAXIMUM IN; Thickness: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Minor Diameter: 9.953 INCHES MINIMUM AND 10.047 INCHES MAXIMUM IN; Width: 3.188 INCHES MINIMUM AND 3.312 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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