The Coupling,tube, cataloged under National Stock Number 4730-00-494-9338, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-494-9338 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDEQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDSSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS |
| Nominal Overall Length | 1.203 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDSTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | RIGID, CENTER WRENCHING FACILITY |
| Material Document and Classification | AISI/SAE 1137 ASSN STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.875 INCHES ALL ENDS0.875 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | CADMIUM OUTSIDE |
| Surface Treatment | CADMIUM OUTSIDECADMIUM INSIDE |
| Thread Class | 3B ALL ENDS3B ALL ENDS |
| Material | STEEL COMP 1137 AND STEEL COMP 1141 OVERALL |
| Thread Series Designator | UNF 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 |
| Reference | Meaning |
|---|---|
| 5056-10T | 3/9 Design control — primary reference Tech Aero Inc |
| 332-2066-050 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 4730-00-494-9338 is a Coupling,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-494-9338: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDEQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDSSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS; Nominal Overall Length: 1.203 INCHES IN. 16 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.