The Washer,facing, cataloged under National Stock Number 5310-00-009-5137, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,facing |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bsi Standards Limited (CAGE K7766); Optical Filters Ltd (CAGE K0159) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-009-5137 |
| Primary Part Number | SP11L |
| Item Name | Washer,facing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bsi Standards Limited |
| 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 |
|---|---|
| SP11L | Bsi Standards Limited (GBR) |
| SP11L | Optical Filters Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 79800264011 | 3/9 Design control — primary reference Lucas Aerospace Ltd (electronic Systems & Equipment Div) |
| 79800264011 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Actuation Systems Ltd |
NSN 5310-00-009-5137 is a Washer,facing, manufactured by Bsi Standards Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-009-5137 has 2 manufacturer part numbers on file: SP11L (Bsi Standards Limited), SP11L (Optical Filters Ltd).
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.