The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-01-008-7969, 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 Triumph Actuation Systems - Connecticut, Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-008-7969 |
| Primary Part Number | OMP3952B4 |
| Item Name | Coupling Half,self-Sealing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Triumph Actuation Systems - Connecticut, Llc |
| Status | ACTIVE |
| Connection Style | FLARELESS ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED |
| Maximum Operating Temp | 132.0 CELSIUS SINGLE RESPONSE DEGC |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL BODY |
| Thread Series Designator | UN ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| OMP3952B4 PRIMARY | Triumph Actuation Systems - Connecticut, Llc (USA) |
| AO2HS195-9 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| Z01HS195-9 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
NSN 4730-01-008-7969 is a Coupling Half,self-Sealing, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-008-7969 has 2 manufacturer part numbers on file: OMP3952B4 (Triumph Actuation Systems - Connecticut, Llc), AO2HS195-9 (The Boeing Company).
Key specifications for OMP3952B4: Connection Style: FLARELESS ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Overall Length: 2.870 INCHES NOMINAL IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.