The Washer,key, cataloged under National Stock Number 5310-01-309-1548, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-309-1548 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2488,TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| External Prebent Key Length | 8.5 MILLIMETERS NOMINAL MM |
| Overall Distance Including Keys | 144.0 MILLIMETERS NOMINAL MM |
| Small External Prebent Key Width | 8.0 MILLIMETERS NOMINAL MM |
| Style Designator | KEY |
| Material Document and Classification | MIL-T-9046,COMP CP-3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 117.0 MILLIMETERS NOMINAL MM |
| Material Thickness | 2.0 MILLIMETERS NOMINAL MM |
| External Key Quantity | 18 |
| External Prebent Key Angle | 30.0 DEGREES MINIMUM AND 40.0 DEGREES MAXIMUM |
| Surface Treatment | ANODIZE OVERALL |
| External Prebent Key Width | 8.0 MILLIMETERS NOMINAL MM |
| Material | TITANIUM OVERALL |
| Angle Between External Keys | 16.9 DEGREES MINIMUM AND 20.9 DEGREES MAXIMUM |
| Hole Diameter | 100.5 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| PL526-5330347-12 | 3/2 Design control — primary reference U.S. Government activity |
| 526-5330347-12 | 3/2 Design control — primary reference U.S. Government activity |
| PL526-5330347-12 | 3/2 Design control — primary reference U.S. Government activity |
| 526-5330347-12 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 526-5330347-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-309-1548 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-309-1548: Surface Treatment Document and Classification: AMS 2488,TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; External Prebent Key Length: 8.5 MILLIMETERS NOMINAL MM; Overall Distance Including Keys: 144.0 MILLIMETERS NOMINAL MM; Small External Prebent Key Width: 8.0 MILLIMETERS NOMINAL MM. 15 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.