The Washer,flat, cataloged under National Stock Number 5310-01-080-1750, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Leroi International Inc Dba Compair Leroi. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-080-1750 |
| Primary Part Number | 47973 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Leroi International Inc Dba Compair Leroi |
| Status | ACTIVE |
| Overall Diameter | 1.344 INCHES NOMINAL IN |
| Material Document and Classification | 32577-B,FSCM 53239 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.594 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN |
| Thickness | 0.042 INCHES NOMINAL IN |
| 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 |
|---|---|
| 47973 PRIMARY | Leroi International Inc Dba Compair Leroi (USA) |
| Reference | Meaning |
|---|---|
| 47973 | 3/9 Design control — primary reference Compair Kellogg Div of Robertshaw Controls Co |
NSN 5310-01-080-1750 is a Washer,flat, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-080-1750 has 1 manufacturer part number on file: 47973 (Leroi International Inc Dba Compair Leroi).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-305-3390, 6220-01-684-4972. Verify interchangeability with system specifications before substitution.
Key specifications for 47973: Overall Diameter: 1.344 INCHES NOMINAL IN; Material Document and Classification: 32577-B,FSCM 53239 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.