The Washer,lock, cataloged under National Stock Number 5310-00-275-5271, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-275-5271 |
| Primary Part Number | 12Z22PC853 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-S-633,FS1060 TO FS1080-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | A CLASS AND 2 STYLE |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL COMP 1060 OVERALL |
| Hole Diameter | 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM 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 |
|---|---|
| 12Z22PC853 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| FFW84CLASSASTYLE2 | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-275-5271 is a Washer,lock, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-275-5271 has 1 manufacturer part number on file: 12Z22PC853 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 12Z22PC853: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-S-633,FS1060 TO FS1080-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.688 INCHES NOMINAL IN; Material Thickness: 0.094 INCHES NOMINAL IN. 8 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.