The Packing Nut,stuffing Tube, cataloged under National Stock Number 5975-00-381-3850, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5975-00-381-3850 |
| Primary Part Number | 117396PC4 |
| Item Name | Packing Nut,stuffing Tube |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.938 INCHES NOMINAL IN |
| Thread Relief Length | 0.125 INCHES NOMINAL IN |
| Thread Length | 0.313 INCHES NOMINAL IN |
| Counterbore Depth | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Size | 0.515 INCHES NOMINAL IN |
| Counterbore Diameter | 0.625 INCHES NOMINAL IN |
| Second End Chamfer Depth | 0.062 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNS |
| Second End Chamfer Angle | 45.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 117396PC4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 117396PC4 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5975-00-381-3850 is a Packing Nut,stuffing Tube, manufactured by Naval Sea Systems Command, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-381-3850 has 1 manufacturer part number on file: 117396PC4 (Naval Sea Systems Command).
Key specifications for 117396PC4: Width Across Flats: 0.938 INCHES NOMINAL IN; Thread Relief Length: 0.125 INCHES NOMINAL IN; Thread Length: 0.313 INCHES NOMINAL IN; Overall Length: 0.625 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.