NSN 4730-01-131-7731 · NIIN 011317731 · Part number BA71826
O T S I · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 05825
Government record, cited
NSN 4730-01-131-7731 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-131-7731. Manufacturer of record part number: BA71826.
Also searched as4730-01-131-7731 ·
4730011317731 ·
NIIN 011317731 ·
01-131-7731 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 05825 · BA71826
4730-01-131-7731 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling Half,quick Disconnect — FSC 4730
Connection Style: PLAIN ALL ENDS
Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Style Designator: MALE COUPLING HALF
Leg Length: 3.250 INCHES NOMINAL IN
Nominal Thread Size: 0.250 INCHES ALL ENDS IN
Material: STEEL CORROSION RESISTING BODY
Quick Disconnect Method: PUSH-PULL ALL ENDS
Identification
NSN: 4730-01-131-7731
NIIN: 011317731
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: BA71826
Manufacturer: O T S I
General Description
The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-131-7731, 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 O T S I. Government technical data includes 8 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 4730-01-131-7731?
NSN 4730-01-131-7731 is a Coupling Half,quick Disconnect, manufactured by O T S I, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-131-7731?
NSN 4730-01-131-7731 has 1 manufacturer part number on file: BA71826 (O T S I).
What are the specifications of BA71826?
Key specifications for BA71826: Connection Style: PLAIN ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Leg Length: 3.250 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-131-7731 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.