The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-542-5656, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-542-5656 |
| Primary Part Number | 31000-502 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 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 |
|---|---|
| MC97135A220 | Dillon Aero, Inc. (USA) |
| 31000-502 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| CAU11911 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| CAU11911 | Amz Alabama Inc. (USA) |
| 97135A220 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 97135A220 | 3/9 Design control — primary reference Mcmaster-Carr Supply Co |
NSN 5310-01-542-5656 is a Nut,self-Locking,hexagon, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-542-5656 has 5 manufacturer part numbers on file: MC97135A220 (Dillon Aero, Inc.), 31000-502 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), CAU11911 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), CAU11911 (Amz Alabama Inc.), 97135A220 (Mcmaster-Carr Supply Co).
Key specifications for 31000-502: Part Name Assigned by Controlling Agency: NUT, NYLON IN; End Item Identification: 2590-01-536-5742, ARMOR KIT, 130G, ROAD GRADER G. 0 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.