The Washer,key, cataloged under National Stock Number 5310-01-164-8537, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-164-8537 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| External Straight Key Length | 0.148 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.907 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A167 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Peening Key Length | 0.368 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN |
| External Straight Key Width | 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| External Key Quantity | 6 |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 0.400 INCHES MINIMUM AND 0.406 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 |
|---|---|
| 803-1385965-XX-34 | 5/2 Secondary reference U.S. Government activity |
| 1385965-XX-34 | 3/2 Design control — primary reference U.S. Government activity |
| 810-1385965-XX- 34 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-164-8537 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-164-8537: External Straight Key Length: 0.148 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.907 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN; Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A167 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. 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.