The Washer,lock, cataloged under National Stock Number 5310-01-070-6012, 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 Harris Defense Communications. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-070-6012 |
| Primary Part Number | 755017A8244-3 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072, TYPE -351 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 90.0 ROCKWELL B MINIMUM90.0 ROCKWELL B MINIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.310 INCHES NOMINAL0.310 INCHES NOMINAL IN |
| Material Thickness | 0.025 INCHES NOMINAL0.025 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.141 INCHES MINIMUM AND 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM0.148 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 |
|---|---|
| 755017A8244-3 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA) |
NSN 5310-01-070-6012 is a Washer,lock, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-070-6012 has 1 manufacturer part number on file: 755017A8244-3 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).
Key specifications for 755017A8244-3: Surface Treatment Document and Classification: MIL-F-14072, TYPE -351 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 90.0 ROCKWELL B MINIMUM90.0 ROCKWELL B MINIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.