The Coupling,tube, cataloged under National Stock Number 4730-01-349-3876, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-349-3876 |
| Primary Part Number | 792832-3 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Overall Length | 1.000 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | RIGID, CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 2.500 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 2.500 INCHES SECOND END IN |
| Nominal Thread Size | 3.000 INCHES SECOND END IN |
| Nominal Thread Size | 3.000 INCHES FIRST END IN |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 16 SECOND END |
| Thread Quantity Per Inch | 16 FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND 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 |
|---|---|
| 792832-3 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 792832 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
| T2269-250AZ | 3/9 Design control — primary reference Eaton Aviation Corporation |
NSN 4730-01-349-3876 is a Coupling,tube, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-349-3876 has 1 manufacturer part number on file: 792832-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-349-3877. Verify interchangeability with system specifications before substitution.
Key specifications for 792832-3: Connection Style: PLAIN (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 1.000 INCHES IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 18 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.