The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-090-9110, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-090-9110 |
| Primary Part Number | 8338120-2 |
| 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 |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST FLUID END CONNECTION IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Material Document and Classification | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.375 INCHES FIRST FLUID END CONNECTION IN |
| Nominal Thread Size | 0.500 INCHES SECOND FLUID END CONNECTION IN |
| Maximum Operating Temp | 150.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL OVERALL |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | NPTF SECOND FLUID END CONNECTION |
| Thread Series Designator | NPTF 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 |
|---|---|
| 8338120-2 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 211AAD/210AD PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| 8338120 | 3/1 Design control — primary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 8338120 | 3/1 Design control — primary reference Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| 6111-021 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-090-9110 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 4730-00-090-9110 has 2 manufacturer part numbers on file: 8338120-2 (U S Army Tank Automotive Command Amsta-Im-Mm), 211AAD/210AD (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-912-6345. Verify interchangeability with system specifications before substitution.
Key specifications for 8338120-2: Nominal Pipe Size Accommodated: 0.375 INCHES FIRST FLUID END CONNECTION IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN FIRST FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY. 14 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.