The Washer,lock, cataloged under National Stock Number 5310-00-018-0610, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-018-0610 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | -QQ-S-633 CANC FED SPEC 1ST MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 2ND MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 3RD MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 4TH MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 5TH MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.240 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN |
| Material Thickness | 0.070 INCHES MINIMUM AND 0.084 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | A TYPE |
| Material | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| Hole Diameter | 0.768 INCHES MINIMUM AND 0.795 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 |
| Reference | Meaning |
|---|---|
| T107L | 5/9 Secondary reference Timpte Inc |
| MILW6986TYPEA | 4/1 Identification reference U.S. Government activity |
| 180610 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 1232 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
| 180610 | 5/9 Secondary reference General Motors Corp |
NSN 5310-00-018-0610 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5815-00-363-9159, 5315-01-173-0842, 6750-01-367-1044. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-018-0610: Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: -QQ-S-633 CANC FED SPEC 1ST MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 2ND MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 3RD MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 4TH MATERIAL RESPONSE OR -QQ-S-633 CANC FED SPEC 5TH MATERIAL RESPONSE OVERALL; Outside Diameter: 1.240 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN; Material Thickness: 0.070 INCHES MINIMUM AND 0.084 INCHES MAXIMUM 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.