The Nut,self-Locking,internal Wrench, cataloged under National Stock Number 5310-00-595-9768, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-595-9768 |
| Primary Part Number | 16449UWN918 |
| Item Name | Nut,self-Locking,internal Wrench |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Nut Diameter | 0.969 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 1.188 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Internal Drive Style | DOUBLE HEXAGON |
| Nut Style | INTERNAL WRENCHING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL NUT |
| Material | FIBER LOCKING INSERT |
| 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 |
|---|---|
| 16449UWN918 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5310-00-595-9768 is a Nut,self-Locking,internal Wrench, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-595-9768 has 1 manufacturer part number on file: 16449UWN918 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 16449UWN918: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.562 INCHES IN; Nut Diameter: 0.969 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.