The Bushing,pipe, cataloged under National Stock Number 4730-00-014-4045, 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 Hatch & Kirk, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-014-4045 |
| Primary Part Number | N39350PC21 |
| Item Name | Bushing,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Internal Screw Thread Series Designator | ANPT |
| Internal Thread Direction | RIGHT-HAND |
| Style Designator | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| External Screw Thread Series Designator | ANPT |
| External Thread Size | 1/2-14 |
| Internal Thread Size | 1/4-18 |
| Material | STEEL |
| External Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| N39350PC21 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3245577 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 144045 | 5/9 Secondary reference Euclid Inc |
| N39350PC21 | 5/9 Secondary reference General Motors Corp |
| 3245577 | 5/9 Secondary reference General Motors Corp |
| 144045 | 5/9 Secondary reference General Motors Corp |
| 81127S41-39350ALT2PC21 | 3/2 Design control — primary reference U.S. Government activity |
| 144045 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 4730-00-014-4045 is a Bushing,pipe, manufactured by Hatch & Kirk, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-014-4045 has 1 manufacturer part number on file: N39350PC21 (Hatch & Kirk, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-235-6622, 6750-01-427-1341. Verify interchangeability with system specifications before substitution.
Key specifications for N39350PC21: Internal Screw Thread Series Designator: ANPT; Internal Thread Direction: RIGHT-HAND; Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL); External Screw Thread Series Designator: ANPT. 8 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.