PartsTable TECHNICAL DATA SHEET

NSN 2990-01-674-9170Government record, cited

Manifold, Intake2990-01-674-9170

NSN 2990-01-674-9170 · NIIN 016749170 · Part number 12677706

General Motors Corp · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 24617

Government record, cited

NSN 2990-01-674-9170 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-674-9170. Manufacturer of record part number: 12677706.

Also searched as 2990-01-674-9170 · 2990016749170 · NIIN 016749170 · 01-674-9170 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 24617 · 12677706 · 4392547

Nearby stock numbers ← 2990-01-674-8815 Control Assembly, Push-Pull · 2990-01-674-9188 Insulation Set, Exhaust →

Features

Manifold,intake — FSC 2990
1 manufacturer part number on file
Manufacturer of record: General Motors Corp

Identification

NSN: 2990-01-674-9170
NIIN: 016749170
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 12677706
Manufacturer: General Motors Corp

General Description

The Manifold,intake, cataloged under National Stock Number 2990-01-674-9170, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is General Motors Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Manifold,intake
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	General Motors Corp (CAGE 24617)

Technical Specifications

Parameter	Value
NSN	2990-01-674-9170
Primary Part Number	12677706
Item Name	Manifold,intake
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	General Motors Corp
Status	ACTIVE

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

Cross-Reference Index

Part Number	Manufacturer
12677706 PRIMARY	General Motors Corp (USA)

Reference documents

Reference	Meaning
4392547	7/2 Vendor item drawing reference Oshkosh Defense Llc

No interchangeability data on file.

Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2990-00-096-8607

CONTROL ASSEMBLY,PUSH-PULL

2990-00-390-3445

CRANK,HAND,VEHICULAR

2990-00-459-7255

MUFFLER,EXHAUST

2990-00-459-7255

MUFFLER,EXHAUST

2990-00-536-2962

BLOCK,ADJUSTING SCREW

2990-00-903-8226

MUFFLER,EXHAUST

2990-01-151-5443

CONNECTOR,EXHAUST PIPE

2990-01-151-5443

CONNECTOR,EXHAUST PIPE

Frequently Asked Questions

What is NSN 2990-01-674-9170?

NSN 2990-01-674-9170 is a Manifold,intake, manufactured by General Motors Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-674-9170?

NSN 2990-01-674-9170 has 1 manufacturer part number on file: 12677706 (General Motors Corp).

Is NSN 2990-01-674-9170 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.

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