The Packing Nut, cataloged under National Stock Number 4730-00-371-8955, 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 Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-371-8955 |
| Primary Part Number | 00605 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Length to Shoulder | 0.750 INCHES NOMINAL IN |
| Width Across Flats | 1.625 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Style Designator | HEXAGON, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 2.000-12 |
| Screw Thread Series Designator | NPT |
| Thread Class | 2A A |
| Major Unthreaded Outside Diameter | 1.805 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY |
| Smallest Inside Diameter | 1.215 INCHES NOMINAL 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 |
|---|---|
| 00605 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| 569-4903-1191502ALT6PC15 | 5/2 Secondary reference U.S. Government activity |
| 4824-935041ALT8PC8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-371-8955 is a Packing Nut, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-371-8955 has 1 manufacturer part number on file: 00605 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-212-4494. Verify interchangeability with system specifications before substitution.
Key specifications for 00605: Length to Shoulder: 0.750 INCHES NOMINAL IN; Width Across Flats: 1.625 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN; Style Designator: HEXAGON, INTERNAL THREAD, SHOULDERED. 13 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.