The Washer,lock, cataloged under National Stock Number 5310-01-101-4852, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-101-4852 |
| Primary Part Number | 418684-2 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Precious Material | GOLD |
| Material Document and Classification | QQ-C-533 FED SPEC 1ST MATERIAL RESPONSE OR QQ-C-530 FED SPEC 2ND MATERIAL RESPONSE OR QQ-C-533 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.234 INCHES NOMINAL IN |
| Material Thickness | 0.016 INCHES NOMINAL IN |
| Surface Treatment | GOLD OVERALL |
| Precious Material and Location | OVERALL GOLD |
| Material | COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.194 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 |
|---|---|
| 418684-2 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| 1994-A | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-101-4852 is a Washer,lock, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-101-4852 has 1 manufacturer part number on file: 418684-2 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 418684-2: Surface Treatment Document and Classification: MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Precious Material: GOLD; Material Document and Classification: QQ-C-533 FED SPEC 1ST MATERIAL RESPONSE OR QQ-C-530 FED SPEC 2ND MATERIAL RESPONSE OR QQ-C-533 FED SPEC 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.234 INCHES NOMINAL IN. 9 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.