The Coupling,tube, cataloged under National Stock Number 4730-01-074-3485, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-074-3485 |
| Primary Part Number | 12271478 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Tubing Wall Nominal Thickness for Which Designed | 0.015 INCHES ALL ENDS IN |
| Nominal Overall Length | 0.815 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | BEVELED BOTH ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.119 INCHES ALL ENDS IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 12271478 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12286524 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 3-140-292-02 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-074-3485 is a Coupling,tube, 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 4730-01-074-3485 has 1 manufacturer part number on file: 12271478 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12271478: Tubing Wall Nominal Thickness for Which Designed: 0.015 INCHES ALL ENDS IN; Nominal Overall Length: 0.815 INCHES IN; Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS; Style Designator: BEVELED BOTH ENDS. 6 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.