The Coupling Assembly,self-Sealing, cataloged under National Stock Number 4730-00-147-6538, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-147-6538 |
| Primary Part Number | 1013-4 |
| Item Name | Coupling Assembly,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 |
| Second Leg Length | 0.614 INCHES NOMINAL IN |
| Connection Style | FLARED FIRST QUICK DISCONNECT END |
| Style Designator | COUPLING ASSEMBLY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST QUICK DISCONNECT END IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Second End Relationship with First End | IDENTICAL |
| Nominal Thread Size | 0.438 INCHES FIRST QUICK DISCONNECT END IN |
| Seat Angle | 37.0 DEGREES |
| Maximum Operating Temp | 350.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 350.0 FAHRENHEIT SECOND RESPONSE DEGF |
| First Leg Length | 0.614 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BODY |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Thread Class | 3A FIRST QUICK DISCONNECT END A |
| Material | ALUMINUM BODY |
| Thread Series Designator | UNF FIRST QUICK DISCONNECT END |
| 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 |
|---|---|
| 1013-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 535778-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-00-147-6538 is a Coupling Assembly,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 4730-00-147-6538 has 1 manufacturer part number on file: 1013-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-982-6765. Verify interchangeability with system specifications before substitution.
Key specifications for 1013-4: Second Leg Length: 0.614 INCHES NOMINAL IN; Connection Style: FLARED FIRST QUICK DISCONNECT END; Style Designator: COUPLING ASSEMBLY; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST QUICK DISCONNECT END IN. 17 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.