The Tube Assembly,metal, cataloged under National Stock Number 4710-00-421-2038, 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 Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4710-00-421-2038 |
| Primary Part Number | 676969 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Thread Direction | RIGHT-HAND SINGLE END |
| End Connection Style | FLARED SECOND END |
| End Connection Style | FLARED FIRST END |
| Tube Outside Diameter | 0.375 INCHES NOMINAL IN |
| Thread Class | 3A SINGLE END A |
| Material | STEEL COMP 347 SINGLE END |
| Material | STEEL CORROSION RESISTING TUBING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END |
| End Connection Spec/std | MS9381-06,P/N 2081081,FSCM 77445 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 676969 PRIMARY | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA) |
| Reference | Meaning |
|---|---|
| 676969 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 676969 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 4710-00-421-2038 is a Tube Assembly,metal, manufactured by Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-421-2038 has 1 manufacturer part number on file: 676969 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders).
Key specifications for 676969: Seat Angle in Deg: 37.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END. 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.
NSN 4710-00-421-2038 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.