The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-228-6971, 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 U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-228-6971 |
| Primary Part Number | 8738141 NIPPLE |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES BODY |
| Connection Style | PLAIN ALL ENDS |
| Supplementary Features | NSN 4730-00-904-8104 CONSISTS OF P/N 6307-017 AND P/N 6307-018,SERVICEPACKING KIT P/N 5000-113-0040 |
| Mating End Identification | IMPERIAL CLEVITE,COUPLING HALF,QUICK DISCONNECT,P/N 6307-017 |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A575 ASSN STD 2ND MATERIAL RESPONSE BODY |
| Quick Disconnect Nominal Size | 0.552 INCHES ALL ENDS IN |
| Leg Length | 0.840 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Specification/standard Data | 19207-8738141 MANUFACTURERS SOURCE CONTROL |
| Surface Treatment | CADMIUM AND CHROMATE BODY |
| Material | STEEL BODY |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | NPSF 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 |
|---|---|
| 8738141 NIPPLE | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 8738141 NIPPLE | 5/2 Secondary reference U.S. Government activity |
| 6307-018 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-228-6971 is a Coupling Half,quick Disconnect, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-228-6971 has 1 manufacturer part number on file: 8738141 NIPPLE (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8738141 NIPPLE: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES BODY; Connection Style: PLAIN ALL ENDS; Supplementary Features: NSN 4730-00-904-8104 CONSISTS OF P/N 6307-017 AND P/N 6307-018,SERVICEPACKING KIT P/N 5000-113-0040; Mating End Identification: IMPERIAL CLEVITE,COUPLING HALF,QUICK DISCONNECT,P/N 6307-017. 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.