The Washer,lock, cataloged under National Stock Number 5310-01-138-8921, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Shakespeare Company, Llc Div Military Electronics. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-138-8921 |
| Primary Part Number | 80-08-0016-34 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Shakespeare Company, Llc Div Military Electronics |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Hole Diameter | 2.030 INCHES NOMINAL IN |
| 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 |
|---|---|
| 80-08-0016-34 PRIMARY | Shakespeare Company, Llc Div Military Electronics (USA) |
| Reference | Meaning |
|---|---|
| 2772194-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5310-01-138-8921 is a Washer,lock, manufactured by Shakespeare Company, Llc Div Military Electronics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-138-8921 has 1 manufacturer part number on file: 80-08-0016-34 (Shakespeare Company, Llc Div Military Electronics).
Key specifications for 80-08-0016-34: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 2.750 INCHES NOMINAL IN; Material Thickness: 0.063 INCHES NOMINAL IN; End Item Identification: AN/ALQ-125. 4 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.