The Washer,key, cataloged under National Stock Number 5310-01-013-9645, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Boeing Distribution Services X, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-013-9645 |
| Primary Part Number | 3810005-2 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Boeing Distribution Services X, Inc. |
| Status | ACTIVE |
| Internal Straight Key Width | 0.720 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 1.180 INCHES MINIMUM AND 1.185 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.510 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Internal Key Quantity | 3 |
| Hole Diameter | 2.940 INCHES MINIMUM AND 2.960 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 |
|---|---|
| 3810005-2 | Boeing Distribution Services X, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3810005-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-013-9645 is a Washer,key, manufactured by Boeing Distribution Services X, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-013-9645 has 1 manufacturer part number on file: 3810005-2 (Boeing Distribution Services X, Inc.).
Key specifications for 3810005-2: Internal Straight Key Width: 0.720 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 1.180 INCHES MINIMUM AND 1.185 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.