The Washer,flat, cataloged under National Stock Number 5310-01-466-9637, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anillo Industries Llc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-466-9637 |
| Primary Part Number | HS306-226 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| HS306-226 PRIMARY | Anillo Industries Llc (USA) |
| HS306-226 PRIMARY | Moeller Manufacturing & Supply, Llc (USA) |
| HS306-226 PRIMARY | Pac Zonamatic Inc (USA) |
| Reference | Meaning |
|---|---|
| HS306-226 | 3/2 Design control — primary reference U.S. Government activity |
| HS306-226 | 7/2 Vendor item drawing reference The Boeing Company |
| HS306-226 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-01-466-9637 is a Washer,flat, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-466-9637 has 3 manufacturer part numbers on file: HS306-226 (Anillo Industries Llc), HS306-226 (Moeller Manufacturing & Supply, Llc), HS306-226 (Pac Zonamatic Inc).
Key specifications for HS306-226: Special Features: MANUFACTURERS NAME: FLAT WASHER; End Item Identification: APACHE AH-64 HELICOPTER. 0 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.