The Washer,lock, cataloged under National Stock Number 5310-00-989-4110, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-989-4110 |
| Primary Part Number | 2067178 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Style Designator | COUNTERSINK EXTERNAL TEETH |
| Material Document and Classification | QQ-P-330 COMP A COND HALF-HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| Material Thickness | 0.016 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.116 INCHES MINIMUM AND 0.123 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 |
|---|---|
| 2067178 PRIMARY | L3harris Technologies, Inc. (USA) |
NSN 5310-00-989-4110 is a Washer,lock, manufactured by L3harris Technologies, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-989-4110 has 1 manufacturer part number on file: 2067178 (L3harris Technologies, Inc.).
Key specifications for 2067178: Style Designator: COUNTERSINK EXTERNAL TEETH; Material Document and Classification: QQ-P-330 COMP A COND HALF-HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN; Material Thickness: 0.016 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.