The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-399-2173, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 7 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 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 | 5310-01-399-2173 |
| Primary Part Number | 219929 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| Status | ACTIVE |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 219929 PRIMARY | Allied Systems Company Dba Allied Systems Co (USA) |
NSN 5310-01-399-2173 is a Nut,self-Locking,hexagon, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-399-2173 has 1 manufacturer part number on file: 219929 (Allied Systems Company Dba Allied Systems Co).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-607-1745. Verify interchangeability with system specifications before substitution.
Key specifications for 219929: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.750 INCHES IN; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN. 7 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.