The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-01-138-7151, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-138-7151 |
| Primary Part Number | B3005S2-12D |
| Item Name | Coupling Half,self-Sealing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Connection Style | FLARELESS ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 3.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED |
| Exterior Color | BLUE |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM BODY |
| Thread Series Designator | UNF 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 |
|---|---|
| 44212-12F-N1 | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA) |
| B3005S2-12D PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| B3005S2-12D | Eaton Industries S. De R.l. De C.v. (MEX) |
| Reference | Meaning |
|---|---|
| 44212-14F-N1 | 5/9 Secondary reference Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit |
| 3005S2 | D/9 Drawing number reference only Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 4730PL1938069 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-01-138-7151 is a Coupling Half,self-Sealing, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-138-7151 has 3 manufacturer part numbers on file: 44212-12F-N1 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit), B3005S2-12D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), B3005S2-12D (Eaton Industries S. De R.l. De C.v.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-312-1904. Verify interchangeability with system specifications before substitution.
Key specifications for B3005S2-12D: Connection Style: FLARELESS ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Overall Length: 3.216 INCHES NOMINAL IN. 12 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.