PartsTable TECHNICAL DATA SHEET

NSN 2990-01-677-3972Government record, cited

Pipe Support2990-01-677-3972

NSN 2990-01-677-3972 · NIIN 016773972 · Part number 8592540-121

Naval Sea Systems Command · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 53711

Government record, cited

NSN 2990-01-677-3972 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-677-3972. Manufacturer of record part number: 8592540-121.

Also searched as 2990-01-677-3972 · 2990016773972 · NIIN 016773972 · 01-677-3972 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 53711 · 8592540-121 · 245-8592536 FN 516 · 245-8592540 FN 20

Nearby stock numbers ← 2990-01-677-3921 Connector, Exhaust Pipe · 2990-01-677-4207 Housing, Regulator-Control, Engine →

Features

Pipe Support — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 2990-01-677-3972
NIIN: 016773972
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 8592540-121
Manufacturer: Naval Sea Systems Command

General Description

The Pipe Support, cataloged under National Stock Number 2990-01-677-3972, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Pipe Support
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Naval Sea Systems Command (CAGE 53711)

Technical Specifications

Parameter	Value
NSN	2990-01-677-3972
Primary Part Number	8592540-121
Item Name	Pipe Support
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Naval Sea Systems Command
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
8592540-121 PRIMARY	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
245-8592536 FN 516	D/9 Drawing number reference only Naval Sea Systems Command
245-8592540 FN 20	D/9 Drawing number reference only Naval Sea Systems Command

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 2990-01-677-3972?

NSN 2990-01-677-3972 is a Pipe Support, manufactured by Naval Sea Systems Command, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-677-3972?

NSN 2990-01-677-3972 has 1 manufacturer part number on file: 8592540-121 (Naval Sea Systems Command).

Is NSN 2990-01-677-3972 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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