The Washer,flat, cataloged under National Stock Number 5310-01-083-7199, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-083-7199 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Diameter | 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-M-20693 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.317 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Thickness | 0.028 INCHES MINIMUM AND 0.034 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 |
| Reference | Meaning |
|---|---|
| 6640-3121 | 5/1 Secondary reference Accessories for Electronics Inc Dba Afe |
| 2260-N317 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| S10228-3 | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies |
| MS51859-19 | 2/2 Government specification standardization U.S. Government activity |
| 5606-24-30 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2260-N317 | 5/1 Secondary reference Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| L835028A0542-01 | 5/1 Secondary reference General Dynamics Land Systems Canadacorp |
| 930079 | 5/1 Secondary reference U.S. Government activity |
| 835028A0542-01 | 5/1 Secondary reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 5310-01-083-7199 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5998-01-119-7033. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-083-7199: Overall Diameter: 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Material Document and Classification: MIL-M-20693 TYPE 1 MIL SPEC 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.