The Packing Nut,stuffing Tube, cataloged under National Stock Number 5975-00-519-4516, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-519-4516 |
| Primary Part Number | SMB193952 |
| Item Name | Packing Nut,stuffing Tube |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Thread Relief Length | 0.031 INCHES NOMINAL IN |
| Thread Length | 0.313 INCHES NOMINAL IN |
| Style Designator | PLAIN-W/THREAD RELIEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Head Length | 0.094 INCHES NOMINAL IN |
| Surface Treatment | PAINT OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Bore Diameter | 0.325 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Thread Series Designator | UNS |
| Thread Relief Depth | 0.031 INCHES NOMINAL IN |
| 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 |
|---|---|
| SMB193952 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| SMB193952 | 3/2 Design control — primary reference U.S. Government activity |
| SMB193952 | 5/9 Secondary reference Bendix Corp the |
NSN 5975-00-519-4516 is a Packing Nut,stuffing Tube, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-519-4516 has 1 manufacturer part number on file: SMB193952 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for SMB193952: Width Across Flats: 0.875 INCHES NOMINAL IN; Thread Relief Length: 0.031 INCHES NOMINAL IN; Thread Length: 0.313 INCHES NOMINAL IN; Style Designator: PLAIN-W/THREAD RELIEF. 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.