The Tube Assembly,metal, cataloged under National Stock Number 4710-01-074-3739, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) 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 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-074-3739 |
| Primary Part Number | 12271541 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Seat Angle in Deg | 33.0 FIRST END |
| Design Form | PREBENT |
| Mating End Quantity | 1 FIRST END |
| Material Document and Classification | MIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| End Connection Style | SWIVEL NUT WITH COMPRESSION SLEEVE FIRST END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING OR STEEL COMP 304 TUBING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END |
| 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 |
|---|---|
| 12271541 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3-170-820-01 | 5/2 Secondary reference U.S. Government activity |
| 3-170-820-03 | 5/2 Secondary reference U.S. Government activity |
| 12286734 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4710-01-074-3739 is a Tube Assembly,metal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-074-3739 has 1 manufacturer part number on file: 12271541 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12271541: Seat Angle in Deg: 33.0 FIRST END; Design Form: PREBENT; Mating End Quantity: 1 FIRST END; Material Document and Classification: MIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE TUBING. 13 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.