The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-137-7064, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Oshkosh Defense Llc (CAGE 75Q65) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-137-7064 |
| Primary Part Number | 5EX33 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| 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 |
|---|---|
| 596-7410332-78 | Naval Sea Systems Command (USA) |
| CE12605-2812 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 5967410507-41 | Naval Sea Systems Command (USA) |
| 5EX33 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 596-7410507-41 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| B434-5410-78 | 5/2 Secondary reference U.S. Government activity |
| 95262 | 5/9 Secondary reference Dana Commercial Vehicle Products, Llc |
| B434-5412-41 | 5/2 Secondary reference U.S. Government activity |
| CE12605-2812 | 5/9 Secondary reference Harvard Industries Inc |
| 5EX33 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-137-7064 is a Nut,self-Locking,extended Washer, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-137-7064 has 4 manufacturer part numbers on file: 596-7410332-78 (Naval Sea Systems Command), CE12605-2812 (Sps Technologies, Llc Dba PB Fasteners), 5967410507-41 (Naval Sea Systems Command), 5EX33 (Oshkosh Defense Llc).
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.