The Washer,flat, cataloged under National Stock Number 5310-01-408-8575, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-408-8575 |
| Primary Part Number | 2037AS981-02 |
| 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 |
| Overall Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.217 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN |
| Thickness | 0.035 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 |
|---|---|
| 2037AS981-02 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 10122300 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5610-117-40 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-408-8575 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 5310-01-408-8575 has 1 manufacturer part number on file: 2037AS981-02 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2037AS981-02: Overall Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: PLASTIC POLYAMIDE NYLON OVERALL. 7 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.