The Tubing Assembly,nonmetallic, cataloged under National Stock Number 4720-01-377-6593, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-377-6593 |
| Primary Part Number | 806392-01 |
| Item Name | Tubing Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.5625 INCHES FIRST END IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 806392-01 | Whitcraft Llc Dba Pursuit Aerospace (USA) |
| 806392-01 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 806392-01 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 806392-01 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 806392-01 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders |
| 806392-01 | 5/9 Secondary reference Kreisler Industrial Corporation |
NSN 4720-01-377-6593 is a Tubing Assembly,nonmetallic, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-377-6593 has 3 manufacturer part numbers on file: 806392-01 (Whitcraft Llc Dba Pursuit Aerospace), 806392-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 806392-01 (Rtx Corporation Div Pratt & Whitney).
1 possible match (shared part number, not a government interchangeability claim): 8465-01-568-9636. Verify interchangeability with system specifications before substitution.
Key specifications for 806392-01: Connection Style: SWIVEL NUT FLARE FIRST END; End Connection Design: STRAIGHT FIRST END; Criticality Code Justification: FEAT; Connection Type: THREADED INTERNAL TUBE FIRST END. 11 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.