The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-138-8279, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-138-8279 |
| Primary Part Number | 7388573 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | COUPLING ASSEMBLY |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7388573 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 7728765 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 4730001388279 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4730-00-138-8279 is a Coupling Assembly,quick Disconne, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
NSN 4730-00-138-8279 has 1 manufacturer part number on file: 7388573 (U S Army Tank Automotive Command Amsta-Im-Mm).
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-620-0932, 4730-00-738-8570, 4730-00-738-8571. Verify interchangeability with system specifications before substitution.
Key specifications for 7388573: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: COUPLING ASSEMBLY; Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 3.910 INCHES MINIMUM AND 4.030 INCHES MAXIMUM IN. 5 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.
NSN 4730-00-138-8279 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.