PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45981Pipe,exhaust

Walker Mfg Co · NSN 2990-01-327-2963 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-327-2963 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-327-2963. Primary manufacturer part number: 45981.
Features
  • Pipe,exhaust — FSC 2990
  • Material: STEEL
  • Usage Location: TAIL PIPE
  • End Item Source: 79260
  • Nominal Overall Length: 60.000 INCHES IN
  • Design Form: PREBENT
  • 3 verified cross-references
  • Primary manufacturer: Walker Mfg Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-327-2963, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Walker Mfg Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-327-2963
Primary Part Number45981
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
MaterialSTEEL
Usage LocationTAIL PIPE
End Item Source79260
Nominal Overall Length60.000 INCHES IN
Design FormPREBENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6130-00-993-680445981 INTERCHANGEABLE
Power Supply
L3harris Technologies, Inc. Div Space and Airborne Systems
5330-00-998-0635N70121 INTERCHANGEABLE
Packing Assembly
Leslie Controls, Inc. Dba Leslie Controls Inc
5210-01-279-6317599-7033-3 INTERCHANGEABLE
Indicator,dial
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4470-01-310-9756 INTERCHANGEABLE
Tensioner Assembly
Cross-Reference Index
Part NumberManufacturer
140636414 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
45981 PRIMARY Walker Mfg Co (USA)
140636414 General Motors Llc Dba General Motors Llc (USA)
Related Parts
6130-00-993-6804INTERCHANGEABLE
POWER SUPPLY
45981
5330-00-998-0635INTERCHANGEABLE
PACKING ASSEMBLY
N70121
5210-01-279-6317INTERCHANGEABLE
INDICATOR,DIAL
599-7033-3
4470-01-310-9756INTERCHANGEABLE
TENSIONER ASSEMBLY

Frequently Asked Questions

What is NSN 2990-01-327-2963?

NSN 2990-01-327-2963 is a Pipe,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-327-2963?

NSN 2990-01-327-2963 has 3 cross-referenced part numbers: 140636414 (General Motors Corp Chevrolet Motor Div Special Products Dept), 45981 (Walker Mfg Co), 140636414 (General Motors Llc Dba General Motors Llc).

What NSN replaces 2990-01-327-2963?

There are 4 known substitutes for 2990-01-327-2963: 6130-00-993-6804, 5330-00-998-0635, 5210-01-279-6317 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45981?

Key specifications for 45981: Material: STEEL; Usage Location: TAIL PIPE; End Item Source: 79260; Nominal Overall Length: 60.000 INCHES 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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