Pipe, Exhaust2990-01-018-1691

NSN 2990-01-018-1691 · NIIN 010181691 · Part number 4858184-7

Kalmar AC Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 0AHU0

Government record, cited

NSN 2990-01-018-1691 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-018-1691. Manufacturer of record part number: 4858184-7.

Also searched as 2990-01-018-1691 · 2990010181691 · NIIN 010181691 · 01-018-1691 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 0AHU0 · 4858184-7

Nearby stock numbers ← 2990-01-018-1580 · 2990-01-018-1932 Governor, Gasoline Engine →

Features

Pipe,exhaust — FSC 2990
Nominal Overall Length: 46.600 INCHES IN
Wall Thickness: 0.0630 INCHES NOMINAL IN
Nominal Outside Diameter: 1.500 INCHES IN
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Kalmar AC Inc

Identification

NSN: 2990-01-018-1691
NIIN: 010181691
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 4858184-7
Manufacturer: Kalmar AC Inc

General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-018-1691, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-018-1691
Primary Part Number	4858184-7
Item Name	Pipe,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Kalmar AC Inc
Status	ACTIVE
Nominal Overall Length	46.600 INCHES IN
Wall Thickness	0.0630 INCHES NOMINAL IN
Nominal Outside Diameter	1.500 INCHES IN
Material	STEEL

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
4858184-7 PRIMARY	Kalmar AC Inc (USA)

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 2990-01-018-1691?

NSN 2990-01-018-1691 is a Pipe,exhaust, manufactured by Kalmar AC Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-018-1691?

NSN 2990-01-018-1691 has 1 manufacturer part number on file: 4858184-7 (Kalmar AC Inc).

What are the specifications of 4858184-7?

Key specifications for 4858184-7: Nominal Overall Length: 46.600 INCHES IN; Wall Thickness: 0.0630 INCHES NOMINAL IN; Nominal Outside Diameter: 1.500 INCHES IN; Material: STEEL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-018-1691 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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