The Washer,keyway, cataloged under National Stock Number 5310-00-276-8728, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-276-8728 |
| Primary Part Number | SP13716 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Distance From Centerline to Bottom of Internal Keyway | 0.229 INCHES NOMINAL IN |
| Internal Keyway Width | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD 1ST MATERIAL RESPONSE OR QQ-B-637 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Internal Keyway Quantity | 1 |
| Material Thickness | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 464 OR COPPER ALLOY 482 OVERALL |
| Hole Diameter | 0.327 INCHES MINIMUM AND 0.332 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 |
| Part Number | Manufacturer |
|---|---|
| SP13716 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5310-00-276-8728 is a Washer,keyway, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-276-8728 has 1 manufacturer part number on file: SP13716 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for SP13716: Distance From Centerline to Bottom of Internal Keyway: 0.229 INCHES NOMINAL IN; Internal Keyway Width: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD 1ST MATERIAL RESPONSE OR QQ-B-637 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN. 8 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.