The Washer,shouldered, cataloged under National Stock Number 5310-01-408-8583, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is N S R Electrical Inc Dba N S R Electrical Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-408-8583 |
| Primary Part Number | 2037AS939-03 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | N S R Electrical Inc Dba N S R Electrical Inc |
| Status | ACTIVE |
| Style Designator | SHOULDERED |
| Outside Diameter | 0.242 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 0.110 INCHES MINIMUM AND 0.120 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 |
|---|---|
| 2037AS939-03 | N S R Electrical Inc Dba N S R Electrical Inc (USA) |
| Reference | Meaning |
|---|---|
| MNI #4-62 | C/1 Advisory reference — outside the item-of-supply concept Richco Enterprises Inc |
| 2037AS939-03 | 3/9 Design control — primary reference Richco Inc |
| 10122302 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MNI 4-10 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 2037AS939-03 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 2037AS939-03 | 5/9 Secondary reference Richco Enterprises Inc |
NSN 5310-01-408-8583 is a Washer,shouldered, manufactured by N S R Electrical Inc Dba N S R Electrical Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-408-8583 has 1 manufacturer part number on file: 2037AS939-03 (N S R Electrical Inc Dba N S R Electrical Inc).
Key specifications for 2037AS939-03: Style Designator: SHOULDERED; Outside Diameter: 0.242 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN; Shoulder Diameter: 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Material: PLASTIC POLYAMIDE NYLON OVERALL. 5 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.