The Nut,self-Locking,square, cataloged under National Stock Number 5310-01-383-9720, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,self-Locking,square |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Saf-Holland, Inc. (CAGE 74410) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-383-9720 |
| Primary Part Number | 12486400-504 |
| Item Name | Nut,self-Locking,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 12486400-504 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 93400367 | Saf-Holland, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8H8E-53 | 5/9 Secondary reference U.S. Government activity |
| 934-00-367 | 5/9 Secondary reference U.S. Government activity |
| 8H8E-53 | 3/9 Design control — primary reference Gse Production and Support Llc Dba Gse Spares |
NSN 5310-01-383-9720 is a Nut,self-Locking,square, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-383-9720 has 2 manufacturer part numbers on file: 12486400-504 (U S Army Tank Automotive Command Amsta-Im-Mm), 93400367 (Saf-Holland, Inc.).
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.