The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-752-1956, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Afg Div. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-752-1956 |
| Primary Part Number | 358D16 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies Afg Div |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.453 INCHES NOMINAL IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1137 OVERALL |
| 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 |
|---|---|
| 358D16 PRIMARY | Sps Technologies Afg Div (USA) |
| 1187581 | Fmc Corp (USA) |
| Reference | Meaning |
|---|---|
| 913798 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 1162A3 | 5/9 Secondary reference Diamond Reo Truck Co |
| 1187581 | 5/9 Secondary reference Asset Systems, Inc. Dba Asset Systems Inc |
NSN 5310-00-752-1956 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies Afg Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-752-1956 has 2 manufacturer part numbers on file: 358D16 (Sps Technologies Afg Div), 1187581 (Fmc Corp).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-166-4997. Verify interchangeability with system specifications before substitution.
Key specifications for 358D16: Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 10 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.