The Washer,key, cataloged under National Stock Number 5310-01-168-0880, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-168-0880 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.176 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 2.250 INCHES NOMINAL IN |
| Style Designator | EXTERNAL AND INTERNAL PRE-BENT KEYS |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 1.812 INCHES NOMINAL IN |
| Material Thickness | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN |
| External Key Quantity | 15 |
| Internal Prebent Key Length | 0.094 INCHES NOMINAL IN |
| External Prebent Key Width | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1031 OR STEEL COMP 1035 OR STEEL COMP 1033 OR STEEL COMP 1034 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.396 INCHES MINIMUM AND 1.416 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 |
|---|---|
| 12Z10002-107 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-168-0880 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-168-0880: Internal Prebent Key Width: 0.176 INCHES MAXIMUM IN; Overall Distance Including Keys: 2.250 INCHES NOMINAL IN; Style Designator: EXTERNAL AND INTERNAL PRE-BENT KEYS; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. 12 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.