The Washer,key, cataloged under National Stock Number 5310-00-608-9754, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-608-9754 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| External Straight Key Length | 0.037 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 2.056 INCHES MINIMUM AND 2.076 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.742 INCHES MINIMUM AND 1.752 INCHES MAXIMUM IN |
| Peening Key Length | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| External Straight Key Width | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 OVERALL |
| Hole Diameter | 1.590 INCHES MINIMUM AND 1.600 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 |
|---|---|
| 372706 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 372706 | 3/2 Design control — primary reference U.S. Government activity |
| 372706 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
NSN 5310-00-608-9754 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-01-148-1733. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-608-9754: External Straight Key Length: 0.037 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN; Overall Distance Including Keys: 2.056 INCHES MINIMUM AND 2.076 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 10 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.