The Washer,lock, cataloged under National Stock Number 5310-01-437-3245, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Flair Corporation Dba S P X Air Treatment Div Dehydration. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Flair Corporation Dba S P X Air Treatment Div Dehydration (CAGE 00819) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-437-3245 |
| Primary Part Number | 0505-4-11 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Flair Corporation Dba S P X Air Treatment Div Dehydration |
| 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 |
|---|---|
| 0505-4-11 PRIMARY | Flair Corporation Dba S P X Air Treatment Div Dehydration (USA) |
| Reference | Meaning |
|---|---|
| 0505-4 PC 11 | 5/9 Secondary reference Flair Corporation Dba S P X Air Treatment Div Dehydration |
| 5311.463.1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-437-3245 is a Washer,lock, manufactured by Flair Corporation Dba S P X Air Treatment Div Dehydration, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-437-3245 has 1 manufacturer part number on file: 0505-4-11 (Flair Corporation Dba S P X Air Treatment Div Dehydration).
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.