The Washer,flat, cataloged under National Stock Number 5310-00-983-9732, 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 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-983-9732 |
| Primary Part Number | MS9321-06 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Overall Diameter | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 321 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.145 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Thickness | 0.038 INCHES MINIMUM AND 0.048 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 |
|---|---|
| MS9321-06 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 10511920 | 5/1 Secondary reference General Dynamics Land Systems Canadacorp |
| MS9321-06 | 3/9 Design control — primary reference U.S. Government activity |
| MS9321-06 | 5/9 Secondary reference U.S. Government activity |
| 101031-5 | C/1 Advisory reference — outside the item-of-supply concept Tempo Instrument Inc Defense Electronics Div |
| 10121914 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-00-983-9732 is a Washer,flat, manufactured by Sae International Dba Sae International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-983-9732 has 1 manufacturer part number on file: MS9321-06 (Sae International Dba Sae International).
Key specifications for MS9321-06: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Overall Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.