The Tube Assembly,metal, cataloged under National Stock Number 4710-01-270-0428, 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 Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-270-0428 |
| Primary Part Number | 370741-334 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Seat Angle in Deg | 45.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | AMS 4083 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| End Connection Style | SWIVEL NUT, FLARELESS SINGLE END |
| Tube Outside Diameter | 1.000 INCHES NOMINAL IN |
| Thread Class | 3B SINGLE END |
| Material | ALUMINUM ALLOY SINGLE END |
| Material | ALUMINUM ALLOY 6061 TUBING |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SINGLE END |
| End Connection Spec/std | MIL,MS21921,PART NO.MS21921-16D |
| 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 |
|---|---|
| 370741-334 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 370741-334 | 3/2 Design control — primary reference U.S. Government activity |
| 370741-334 | 5/9 Secondary reference Lockheed Martin Services, Llc |
NSN 4710-01-270-0428 is a Tube Assembly,metal, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-270-0428 has 1 manufacturer part number on file: 370741-334 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
Key specifications for 370741-334: Seat Angle in Deg: 45.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Material Document and Classification: AMS 4083 ASSN STD 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.