The Washer,flat, cataloged under National Stock Number 5310-01-516-3793, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-516-3793 |
| Primary Part Number | MBEU148089 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Overall Diameter | 0.069 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM AND NICKEL AND COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.373 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN |
| Thickness | 0.040 INCHES MINIMUM AND 0.045 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 |
|---|---|
| MBEU148089 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| MBEU148089 | Martin-Baker Aircraft Company Limited (GBR) |
| Reference | Meaning |
|---|---|
| 10469496 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-516-3793 is a Washer,flat, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-516-3793 has 2 manufacturer part numbers on file: MBEU148089 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), MBEU148089 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU148089: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Overall Diameter: 0.069 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN; Material Document and Classification: AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 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.