PartsTable TECHNICAL DATA SHEET

NSN 2990-01-342-8774Government record, cited

Pipe, Exhaust2990-01-342-8774

NSN 2990-01-342-8774 · NIIN 013428774 · Part number 45840

Walker Mfg Co · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 79260

Government record, cited

NSN 2990-01-342-8774 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-342-8774. Manufacturer of record part number: 45840.

Also searched as 2990-01-342-8774 · 2990013428774 · NIIN 013428774 · 01-342-8774 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 79260 · 45840

Nearby stock numbers ← 2990-01-342-8720 Pump, Air, Emission Control · 2990-01-342-9118 Muffler, Exhaust-Intake →

Features

Pipe,exhaust — FSC 2990
End Item Model Number: 1985 RANGER
End Item Source: 23040
Design Form: PREBENT
End Item Name: TRUCK
Usage Location: TAIL PIPE
1 manufacturer part number on file
Manufacturer of record: Walker Mfg Co

Identification

NSN: 2990-01-342-8774
NIIN: 013428774
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 45840
Manufacturer: Walker Mfg Co

General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-342-8774, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Walker Mfg Co. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-342-8774
Primary Part Number	45840
Item Name	Pipe,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Walker Mfg Co
Status	ACTIVE
End Item Model Number	1985 RANGER
End Item Source	23040
Design Form	PREBENT
End Item Name	TRUCK
Usage Location	TAIL PIPE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 3

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5360-01-374-096645840 POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

Possible match (shared part number)Cat Pumps Corp

6515-01-461-7154458.40 POSSIBLE MATCH

BOLT,TIBIAL,ORTHOPEDIC

Possible match (shared part number)Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma

4320-01-581-8883P3862 POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

Possible match (shared part number)Generac Mobile Products, Llc

Cross-Reference Index

Part Number	Manufacturer
45840 PRIMARY	Walker Mfg Co (USA)

Related Parts

5360-01-374-0966POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

45840

6515-01-461-7154POSSIBLE MATCH

BOLT,TIBIAL,ORTHOPEDIC

458.40

4320-01-581-8883POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

P3862

Frequently Asked Questions

What is NSN 2990-01-342-8774?

NSN 2990-01-342-8774 is a Pipe,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-342-8774?

NSN 2990-01-342-8774 has 1 manufacturer part number on file: 45840 (Walker Mfg Co).

What NSN replaces 2990-01-342-8774?

3 possible matches (shared part number, not a government interchangeability claim): 5360-01-374-0966, 6515-01-461-7154, 4320-01-581-8883. Verify interchangeability with system specifications before substitution.

What are the specifications of 45840?

Key specifications for 45840: End Item Model Number: 1985 RANGER; End Item Source: 23040; Design Form: PREBENT; End Item Name: TRUCK. 5 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-342-8774 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

PartsTable Design LLC · partstable.com