The Washer,flat, cataloged under National Stock Number 5310-01-733-1083, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lord Corporation Dba Lord Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (CAGE 50643); Lord Corporation Dba Lord Corp (CAGE 76005) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-733-1083 |
| Primary Part Number | 61642-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lord Corporation Dba Lord Corp |
| 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 |
|---|---|
| 61642-1 | Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (USA) |
| 61642-1 PRIMARY | Lord Corporation Dba Lord Corp (USA) |
| Reference | Meaning |
|---|---|
| 59314 | D/9 Drawing number reference only Fisica Applied Technologies, Inc. Div Randtron Antenna Systems |
NSN 5310-01-733-1083 is a Washer,flat, manufactured by Lord Corporation Dba Lord Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-733-1083 has 2 manufacturer part numbers on file: 61642-1 (Fisica Applied Technologies, Inc. Div Randtron Antenna Systems), 61642-1 (Lord Corporation Dba Lord Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-733-2066, 5340-01-733-2561. Verify interchangeability with system specifications before substitution.
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.