NSN 4730-01-125-6903 · NIIN 011256903 · Part number MBEU-69490
Martin-Baker Aircraft Company Limited · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE U1604
Government record, cited
NSN 4730-01-125-6903 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-125-6903. Manufacturer of record part number: MBEU-69490.
Also searched as4730-01-125-6903 ·
4730011256903 ·
NIIN 011256903 ·
01-125-6903 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE U1604 · MBEU-69490
4730-01-125-6903 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Reducer,pipe — FSC 4730
Nominal Overall Length: 0.875 INCHES IN
Material Document and Classification: QQ-A-225/9,COND T 7351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size: 0.500 INCHES SECOND END IN
Nominal Thread Size: 0.562 INCHES FIRST END IN
Surface Treatment: PAINT OVERALL
Material: ALUMINUM ALLOY 7075 OVERALL
Thread Series Designator: UNEF SECOND END
Identification
NSN: 4730-01-125-6903
NIIN: 011256903
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: MBEU-69490
Manufacturer: Martin-Baker Aircraft Company Limited
General Description
The Reducer,pipe, cataloged under National Stock Number 4730-01-125-6903, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 9 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.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE
Frequently Asked Questions
What is NSN 4730-01-125-6903?
NSN 4730-01-125-6903 is a Reducer,pipe, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-125-6903?
NSN 4730-01-125-6903 has 1 manufacturer part number on file: MBEU-69490 (Martin-Baker Aircraft Company Limited).
What are the specifications of MBEU-69490?
Key specifications for MBEU-69490: Nominal Overall Length: 0.875 INCHES IN; Material Document and Classification: QQ-A-225/9,COND T 7351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.500 INCHES SECOND END IN; Nominal Thread Size: 0.562 INCHES FIRST END IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-125-6903 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.