The Packing Nut, cataloged under National Stock Number 4730-00-274-3650, 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 Wildfire Pacific Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-274-3650 |
| Primary Part Number | NX10 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Wildfire Pacific Inc |
| Status | ACTIVE |
| Hole or Slot Quantity | 8 |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND SLOTTED, EXTERNAL THREAD, BOSS |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1.625-14 |
| Screw Thread Series Designator | UNS |
| Thread Class | 3A A |
| Major Unthreaded Outside Diameter | 1.625 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY 903 |
| Slot Width | 0.156 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.860 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 |
NSN 4730-00-274-3650 is a Packing Nut, manufactured by Wildfire Pacific Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-274-3650 has 3 manufacturer part numbers on file: 114PC6RH (Bae Systems Land & Armaments L.p.), NX10 (Wildfire Pacific Inc), 954PC20 (Wildfire Pacific Inc).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-443-6222. Verify interchangeability with system specifications before substitution.
Key specifications for NX10: Hole or Slot Quantity: 8; Thread Length: 0.500 INCHES NOMINAL IN; Style Designator: ROUND SLOTTED, EXTERNAL THREAD, BOSS; Overall Length: 0.500 INCHES NOMINAL IN. 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.