The Outlet,pipe, cataloged under National Stock Number 4730-01-349-7298, 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 Northrop Grumman Systems Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-349-7298 |
| Primary Part Number | GB15N4C32 |
| Item Name | Outlet,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting End Type | CONCAVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Nominal Overall Length | 0.812 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Connection Type | BUTT WELD TUBE SECOND END |
| Style Designator | PLAIN W/TAPERED ENDS |
| Nominal Outside Diameter Tube Accommodated | 2.000 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Thread Series Designator | UNJS FIRST 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 |
|---|---|
| GB15N4C32 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GB15N | 5/1 Secondary reference Northrop Grumman Systems Corporation |
NSN 4730-01-349-7298 is a Outlet,pipe, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-349-7298 has 1 manufacturer part number on file: GB15N4C32 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-451-9725. Verify interchangeability with system specifications before substitution.
Key specifications for GB15N4C32: Mounting End Type: CONCAVE; Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Connection Style: GASKET SEAL (BOSS) FIRST END; Connection Style: PLAIN (TUBE) SECOND END. 15 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.