Nrp, Joint, Flex Exha2990-01-630-4459

NSN 2990-01-630-4459 · NIIN 016304459 · Part number NMM200365

Bird-Johnson Propeller Company, Llc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 07309

Government record, cited

NSN 2990-01-630-4459 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-630-4459. Manufacturer of record part number: NMM200365.

Also searched as 2990-01-630-4459 · 2990016304459 · NIIN 016304459 · 01-630-4459 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 07309 · NMM200365 · NMM220552 REV A FIND NO. 1

Nearby stock numbers ← 2990-01-630-2551 Heat Shield, Exhaust · 2990-01-630-6140 Insulation, Vehicular →

Features

Nrp,joint,flex Exha — FSC 2990
3 manufacturer part numbers on file
Manufacturer of record: Bird-Johnson Propeller Company, Llc

Identification

NSN: 2990-01-630-4459
NIIN: 016304459
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: NMM200365
Manufacturer: Bird-Johnson Propeller Company, Llc

General Description

The Nrp,joint,flex Exha, cataloged under National Stock Number 2990-01-630-4459, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Nrp,joint,flex Exha
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Bird-Johnson Propeller Company, Llc (CAGE 07309); Rolls-Royce Marine North America Inc. (CAGE 38ZC7)

Technical Specifications

Parameter	Value
NSN	2990-01-630-4459
Primary Part Number	NMM200365
Item Name	Nrp,joint,flex Exha
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Bird-Johnson Propeller Company, Llc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
NMM220552 REV A FIND NO. 1	Bird-Johnson Propeller Company, Llc (USA)
NMM200365 PRIMARY	Bird-Johnson Propeller Company, Llc (USA)
NMM200365 PRIMARY	Rolls-Royce Marine North America 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.

2990-00-001-0001

BLOWER ASSEMBLY

2990-00-001-1248

2990-00-001-1248 · Item name not on file

2990-00-001-1250

2990-00-001-1250 · Item name not on file

2990-00-001-2055

2990-00-001-2055 · Item name not on file

2990-00-001-3498

2990-00-001-3498 · Item name not on file

2990-00-001-3520

2990-00-001-3520 · Item name not on file

2990-00-001-3521

2990-00-001-3521 · Item name not on file

2990-00-001-3522

CAP ASSEMBLY,MUFFLE

Frequently Asked Questions

What is NSN 2990-01-630-4459?

NSN 2990-01-630-4459 is a Nrp,joint,flex Exha, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-630-4459?

NSN 2990-01-630-4459 has 3 manufacturer part numbers on file: NMM220552 REV A FIND NO. 1 (Bird-Johnson Propeller Company, Llc), NMM200365 (Bird-Johnson Propeller Company, Llc), NMM200365 (Rolls-Royce Marine North America Inc.).

Is NSN 2990-01-630-4459 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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