The Washer,flat, cataloged under National Stock Number 5310-00-889-5583, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-889-5583 |
| Primary Part Number | S900016-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| Status | ACTIVE |
| Overall Diameter | 0.203 INCHES NOMINAL IN |
| Hardness Rating | 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 303SE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.095 INCHES NOMINAL IN |
| Thickness | 0.010 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 |
|---|---|
| S900016-3 PRIMARY | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN) |
NSN 5310-00-889-5583 is a Washer,flat, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-889-5583 has 1 manufacturer part number on file: S900016-3 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).
Key specifications for S900016-3: Overall Diameter: 0.203 INCHES NOMINAL IN; Hardness Rating: 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM; Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.