The Washer,flat, cataloged under National Stock Number 5310-01-589-2420, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Manufactured Products Group Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-589-2420 |
| Primary Part Number | Z8806SS |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Accurate Manufactured Products Group Inc |
| Status | ACTIVE |
| Overall Diameter | 13.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 ROCKWELL B MINIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 6.4 MILLIMETERS NOMINAL MM |
| Thickness | 2.0 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| Z8806SS PRIMARY | Accurate Manufactured Products Group Inc (USA) |
| 93849A104 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 13050826 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5310-01-589-2420 is a Washer,flat, manufactured by Accurate Manufactured Products Group Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-589-2420 has 2 manufacturer part numbers on file: Z8806SS (Accurate Manufactured Products Group Inc), 93849A104 (Mcmaster-Carr Supply Co).
Key specifications for Z8806SS: Overall Diameter: 13.0 MILLIMETERS NOMINAL MM; Hardness Rating: 70.0 ROCKWELL B MINIMUM; 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.