The Washer,non-Metallic, cataloged under National Stock Number 5310-01-221-4010, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,non-Metallic |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (CAGE 28968) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-221-4010 |
| Primary Part Number | 2621-906-08 ITEM 14 |
| Item Name | Washer,non-Metallic |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2621-906-08 ITEM 14 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 845-2110223 PIECE 12 TBL 4 | 5/2 Secondary reference U.S. Government activity |
| 2621-906-08 ITEM 14 | 5/9 Secondary reference U.S. Government activity |
| 47716-11 .312IDX.500ODX.025THK | 5/9 Secondary reference Dayco Industrial |
NSN 5310-01-221-4010 is a Washer,non-Metallic, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-221-4010 has 1 manufacturer part number on file: 2621-906-08 ITEM 14 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
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.