Flange, Exhaust Pipe2990-01-475-9800

NSN 2990-01-475-9800 · NIIN 014759800

FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories

Government record, cited

Also searched as 2990-01-475-9800 · 2990014759800 · NIIN 014759800 · 01-475-9800 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft

Nearby stock numbers ← 2990-01-475-9360 Exhaust System, Engine · 2990-01-476-1028 Sensor, Manifold Absolute Pressur →

Features

Flange,exhaust Pipe — FSC 2990
Mounting Hole Quantity: 16
Flange Shape: ROUND
Flange Diameter: 13.250 INCHES NOMINAL IN
Flange Face Design: PLAIN
Flange Thickness: 0.500 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING

Identification

NSN: 2990-01-475-9800
NIIN: 014759800
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories

General Description

The Flange,exhaust Pipe, cataloged under National Stock Number 2990-01-475-9800, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-475-9800
Item Name	Flange,exhaust Pipe
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Status	ACTIVE
Mounting Hole Quantity	16
Flange Shape	ROUND
Flange Diameter	13.250 INCHES NOMINAL IN
Flange Face Design	PLAIN
Flange Thickness	0.500 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
110WPB259-006 ASSEMBLY A	3/2 Design control — primary reference U.S. Government activity

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 2990-01-475-9800?

NSN 2990-01-475-9800 is a Flange,exhaust Pipe, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What are the specifications of 2990-01-475-9800?

Key specifications for 2990-01-475-9800: Mounting Hole Quantity: 16; Flange Shape: ROUND; Flange Diameter: 13.250 INCHES NOMINAL IN; Flange Face Design: PLAIN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-475-9800 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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