The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-01-052-3768, 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 13 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-052-3768 |
| Primary Part Number | 155-S5-5D |
| 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 |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | FLARED ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | QQ-A-351 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Maximum Operating Temp | 47.0 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 155-S5-5D PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 155-S5-5D | Eastern Aero Supply Inc (USA) |
| 155-S5-5D | Satair A/s (DNK) |
| 24344-200 | Nestor Sales Llc Dba Aim Supply Co Div Government Sales Division (USA) |
| 24344-200 | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 10436936 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4730-01-052-3768 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 4730-01-052-3768 has 5 manufacturer part numbers on file: 155-S5-5D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 155-S5-5D (Eastern Aero Supply Inc), 155-S5-5D (Satair A/s), 24344-200 (Nestor Sales Llc Dba Aim Supply Co Div Government Sales Division), 24344-200 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 155-S5-5D: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: FLARED ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 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.