The Washer,lock, cataloged under National Stock Number 5310-01-084-9061, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-084-9061 |
| Primary Part Number | 5105-31 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rotor Clip Company, Inc. |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Outside Diameter | 0.512 INCHES NOMINAL0.512 INCHES NOMINAL IN |
| Material Thickness | 0.009 INCHES MINIMUM AND 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM0.011 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.310 INCHES MINIMUM AND 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM0.314 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 |
|---|---|
| 5105-31 PRIMARY | Rotor Clip Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5105-31 | 3/9 Design control — primary reference Truarc Company Llc Dba Waldes Truarc |
| 3277507 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-084-9061 is a Washer,lock, manufactured by Rotor Clip Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-084-9061 has 1 manufacturer part number on file: 5105-31 (Rotor Clip Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6210-01-206-4001, 4330-01-622-5663. Verify interchangeability with system specifications before substitution.
Key specifications for 5105-31: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.512 INCHES NOMINAL0.512 INCHES NOMINAL IN; Material Thickness: 0.009 INCHES MINIMUM AND 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM0.011 INCHES MAXIMUM IN; Material: STEEL OVERALL. 5 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.