The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-540-3727, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Saf-Holland, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self-Locking,hexagon |
| 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 | 5310-01-540-3727 |
| Primary Part Number | 93400136 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Saf-Holland, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 12486400-521 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 93400136 PRIMARY | Saf-Holland, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3668688 | 5/9 Secondary reference Oshkosh Defense Llc |
| 12486400 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 3668688 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-540-3727 is a Nut,self-Locking,hexagon, manufactured by Saf-Holland, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-540-3727 has 2 manufacturer part numbers on file: 12486400-521 (U S Army Tank Automotive Command Amsta-Im-Mm), 93400136 (Saf-Holland, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-540-4270, 5305-01-540-4274, 5365-01-580-7154. Verify interchangeability with system specifications before substitution.
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.