The Washer,lock, cataloged under National Stock Number 5310-01-063-8521, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Antenna Products Corporation Dba Antenna Products Corp. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-063-8521 |
| Primary Part Number | 2300-0319-001 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Antenna Products Corporation Dba Antenna Products Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A-153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 1.504 INCHES MAXIMUM1.504 INCHES MAXIMUM IN |
| Material Thickness | 0.266 INCHES NOMINAL0.266 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.890 INCHES MINIMUM0.890 INCHES MINIMUM 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 |
|---|---|
| 2300-0319-001 PRIMARY | Antenna Products Corporation Dba Antenna Products Corp (USA) |
NSN 5310-01-063-8521 is a Washer,lock, manufactured by Antenna Products Corporation Dba Antenna Products Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-063-8521 has 1 manufacturer part number on file: 2300-0319-001 (Antenna Products Corporation Dba Antenna Products Corp).
Key specifications for 2300-0319-001: Surface Treatment Document and Classification: ASTM A-153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 1.504 INCHES MAXIMUM1.504 INCHES MAXIMUM IN; Material Thickness: 0.266 INCHES NOMINAL0.266 INCHES NOMINAL IN. 7 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.