The Packing Nut, cataloged under National Stock Number 4730-00-677-9854, 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 Viking Technologies, Ltd.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-677-9854 |
| Primary Part Number | 365NA003 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Width Across Flats | 3.281 INCHES NOMINAL IN |
| Strength Rating | ERR-060 |
| Thread Length | 1.375 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 3-1/8IN-12 IN |
| Screw Thread Series Designator | UNS |
| Thread Class | 2A A |
| Screw Thread Location | EXTERNAL |
| Material | NICKEL ALLOY 400 |
| Smallest Inside Diameter | 2.015 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 |
|---|---|
| 365NA003 PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| RE66D633A3 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-677-9854 is a Packing Nut, manufactured by Viking Technologies, Ltd., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-677-9854 has 1 manufacturer part number on file: 365NA003 (Viking Technologies, Ltd.).
Key specifications for 365NA003: Width Across Flats: 3.281 INCHES NOMINAL IN; Strength Rating: ERR-060; Thread Length: 1.375 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS. 12 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.