The Washer,flat, cataloged under National Stock Number 5310-00-899-8866, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-899-8866 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS1001,CLASS C,FSCM 06848 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Heat Treatment | AS FABRICATED |
| Material Document and Classification | AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 4130 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN |
| Thickness | 0.057 INCHES MINIMUM AND 0.060 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 |
|---|---|
| 173586 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 173586 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 173586 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 5310-00-899-8866 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-899-8866: Surface Treatment Document and Classification: PS1001,CLASS C,FSCM 06848 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Material Document and Classification: AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.