The Washer,seal, cataloged under National Stock Number 5310-01-686-1661, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Detroit Defense Systems, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-686-1661 |
| Primary Part Number | Y00086812050 |
| Item Name | Washer,seal |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Detroit Defense Systems, Llc |
| Status | ACTIVE |
| Outside Diameter | 18.40 MILLIMETERS NOMINAL MM |
| Material | COPPER BODY |
| 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 |
|---|---|
| Y00086812050 PRIMARY | Detroit Defense Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| Y00086812050 | C/1 Advisory reference — outside the item-of-supply concept Detroit Defense, Inc. |
NSN 5310-01-686-1661 is a Washer,seal, manufactured by Detroit Defense Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-686-1661 has 1 manufacturer part number on file: Y00086812050 (Detroit Defense Systems, Llc).
Key specifications for Y00086812050: Outside Diameter: 18.40 MILLIMETERS NOMINAL MM; Special Features: INSIDE DIAMETER 14.30,THICKNESS 1.20 MILLIMETERS MM; End Item Identification: NSN 2310-015953986; Material: COPPER BODY. 2 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.