PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3957683Pipe,exhaust

General Motors Llc Dba General Motors Llc · NSN 2990-00-127-9431 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-127-9431 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-127-9431. Primary manufacturer part number: 3957683.
Features
  • Pipe,exhaust — FSC 2990
  • End Item Source: 23862
  • Usage Location: EXHAUST PIPE
  • End Item Model Number: 1978 C60 SERIES
  • End Item Name: TRUCK,HEAVY DUTY
  • Design Form: PREBENT
  • 4 verified cross-references
  • Primary manufacturer: General Motors Llc Dba General Motors Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-00-127-9431, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-127-9431
Primary Part Number3957683
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
End Item Source23862
Usage LocationEXHAUST PIPE
End Item Model Number1978 C60 SERIES
End Item NameTRUCK,HEAVY DUTY
Design FormPREBENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4320-00-398-8847342023-00 INTERCHANGEABLE
Collar Assembly,valve Rod
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3110-00-474-475543600 INTERCHANGEABLE
Bearing,universal L
Eaton Aerospace, Llc Dba Jackson South
4920-00-610-8827 INTERCHANGEABLE
Valve,pressure Reli
5950-00-645-065412Z13000-9046 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-00-662-2018 INTERCHANGEABLE
Bearing,washer,thrust
5845-00-757-328343600 INTERCHANGEABLE
Electronic Subassem
L3harris Technologies, Inc. Div Space and Airborne Systems
5305-00-782-9495326-0999-00 INTERCHANGEABLE
Screw,cap,hexagon Head
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5310-01-145-91155EX182 INTERCHANGEABLE
Washer,lock
Oshkosh Defense Llc
6505-01-205-2397381-50 INTERCHANGEABLE
Water for Inhalation,sterile
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
3957683 PRIMARY General Motors Llc Dba General Motors Llc (USA)
3957683 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
38150 Ap Parts Co Industrial Sales Div (USA)
43600 Walker Mfg Co (USA)
Related Parts
4320-00-398-8847INTERCHANGEABLE
COLLAR ASSEMBLY,VALVE ROD
342023-00
3110-00-474-4755INTERCHANGEABLE
BEARING,UNIVERSAL L
43600
4920-00-610-8827INTERCHANGEABLE
VALVE,PRESSURE RELI
5950-00-645-0654INTERCHANGEABLE
TRANSFORMER,POWER
12Z13000-9046
3120-00-662-2018INTERCHANGEABLE
BEARING,WASHER,THRUST
5845-00-757-3283INTERCHANGEABLE
ELECTRONIC SUBASSEM
43600
5305-00-782-9495INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
326-0999-00
5310-01-145-9115INTERCHANGEABLE
WASHER,LOCK
5EX182
6505-01-205-2397INTERCHANGEABLE
WATER FOR INHALATION,STERILE
381-50

Frequently Asked Questions

What is NSN 2990-00-127-9431?

NSN 2990-00-127-9431 is a Pipe,exhaust, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-127-9431?

NSN 2990-00-127-9431 has 4 cross-referenced part numbers: 3957683 (General Motors Llc Dba General Motors Llc), 3957683 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 38150 (Ap Parts Co Industrial Sales Div), 43600 (Walker Mfg Co).

What NSN replaces 2990-00-127-9431?

There are 9 known substitutes for 2990-00-127-9431: 4320-00-398-8847, 3110-00-474-4755, 4920-00-610-8827 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3957683?

Key specifications for 3957683: End Item Source: 23862; Usage Location: EXHAUST PIPE; End Item Model Number: 1978 C60 SERIES; End Item Name: TRUCK,HEAVY DUTY. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com