The Washer,key, cataloged under National Stock Number 5310-01-244-3524, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-244-3524 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 2.060 INCHES NOMINAL IN |
| External Prebent Key Length | 0.750 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.250 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Style Designator | KEY |
| Material Thickness | 0.059 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| External Prebent Key Width | 0.380 INCHES NOMINAL IN |
| Hole Diameter | 1.630 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 150167C-7REV3 W/REV SHEETS 1&2 | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
| 150167C-7REV3 W/REV SHEETS 1&2 | 3/9 Design control — primary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
NSN 5310-01-244-3524 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-244-3524: Distance From Centerline to Inside of Prebent Key: 2.060 INCHES NOMINAL IN; External Prebent Key Length: 0.750 INCHES NOMINAL IN; Overall Distance Including Keys: 3.250 INCHES NOMINAL IN; Criticality Code Justification: ZZZY. 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.