The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-738-8570, 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 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-738-8570 |
| Primary Part Number | 7388570 |
| 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 | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Leg Length | 0.375 INCHES NOMINAL IN |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.125 INCHES FIRST FLUID END CONNECTION IN |
| Nominal Thread Size | 0.125 INCHES SECOND FLUID END CONNECTION IN |
| Maximum Operating Temp | 65.6 CELSIUS FIRST RESPONSE DEGC |
| Maximum Operating Temp | 65.6 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | NPT SECOND FLUID END CONNECTION |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| 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 |
|---|---|
| 7388570 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 6206-008 | 5/9 Secondary reference U.S. Government activity |
| 7388570 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| 4730007388570 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 7728765 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-00-738-8570 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: active.
NSN 4730-00-738-8570 has 1 manufacturer part number on file: 7388570 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-738-8571. Verify interchangeability with system specifications before substitution.
Key specifications for 7388570: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN FIRST FLUID END CONNECTION; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION. 19 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.