The Nut,tube Coupling, cataloged under National Stock Number 4730-01-282-8990, 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 General Electric Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-282-8990 |
| Primary Part Number | J1312P04D |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Thread Series | UNF |
| Material Document and Classification | AMS 5645 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5646 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.4375 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| Nominal Tube Outside Diameter | 0.250 INCHES IN |
| 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 |
|---|---|
| J1312P04D PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 9111M74P02 | 5/9 Secondary reference General Electric Company |
NSN 4730-01-282-8990 is a Nut,tube Coupling, manufactured by General Electric Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-282-8990 has 1 manufacturer part number on file: J1312P04D (General Electric Company).
Key specifications for J1312P04D: Thread Series: UNF; Material Document and Classification: AMS 5645 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5646 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.4375 INCHES IN; Special Features: GAS GENERATOR ASSEMBLY MDL L25250G12. 7 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.