The Washer,flat, cataloged under National Stock Number 5310-01-665-9372, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-665-9372 |
| Primary Part Number | J2655FCR0875F1B |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | SAE 2485 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.938 INCHES NOMINAL IN |
| Thickness | 0.136 INCHES MINIMUM AND 0.177 INCHES MAXIMUM 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 |
|---|---|
| J2655FCR0875F1B PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| J2655FCR0875F1B | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-665-9372 is a Washer,flat, manufactured by Sae International Dba Sae International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-665-9372 has 1 manufacturer part number on file: J2655FCR0875F1B (Sae International Dba Sae International).
Key specifications for J2655FCR0875F1B: Surface Treatment Document and Classification: SAE 2485 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL. 10 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.