The Tube Assembly,welded, cataloged under National Stock Number 4710-00-592-7771, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-592-7771 |
| Primary Part Number | 315063 |
| Item Name | Tube Assembly,welded |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders |
| Status | ACTIVE |
| General Characteristics Item Description | TUBING MATL STEEL QQ-S-764,0.375 NOM IN. OD,0.035 NOM IN. WALL THK,SWIVEL NUT,FLARE END CONNECTION STYLE 1ST END;PLAIN FLANGE 2ND END,1 MATING END 1ST AND 2ND ENDS,STEEL AMS 5646 MATL,0.625-18UNJF-3B RIGHT HAND THD,37 DEG SEAT ANGLE,4 BOLT HOLES WITH 0.276 MIN 0.286 MAX IN. DIA,1.250 NOM IN. BC DIA,DESIGN FORM IS PREBENT |
| 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 |
|---|---|
| 315063 PRIMARY | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA) |
| Reference | Meaning |
|---|---|
| 315063 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 315063 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 4710-00-592-7771 is a Tube Assembly,welded, manufactured by Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-592-7771 has 1 manufacturer part number on file: 315063 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-228-5519. Verify interchangeability with system specifications before substitution.
Key specifications for 315063: General Characteristics Item Description: TUBING MATL STEEL QQ-S-764,0.375 NOM IN. OD,0.035 NOM IN. WALL THK,SWIVEL NUT,FLARE END CONNECTION STYLE 1ST END;PLAIN FLANGE 2ND END,1 MATING END 1ST AND 2ND ENDS,STEEL AMS 5646 MATL,0.625-18UNJF-3B RIGHT HAND THD,37 DEG SEAT ANGLE,4 BOLT HOLES WITH 0.276 MIN 0.286 MAX IN. DIA,1.250 NOM IN. BC DIA,DESIGN FORM IS PREBENT; End Item Identification: ACFT ENG J-57. 1 specification is 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 4710-00-592-7771 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.