The Washer,flat, cataloged under National Stock Number 5310-00-209-6519, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-6519 |
| Primary Part Number | 36-3-8-1SC |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-636,COND 1 OR 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Nondefinitive Spec/std Data | A TYPE AND 2 GRADE AND A CLASS |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Thickness | 0.064 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 |
|---|---|
| 36-3-8-1SC PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 3274538 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3274538 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| FFW92TYPEAGRADE2CLASSA | 4/1 Identification reference U.S. Government activity |
| 36-3-8-1SC | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5310-00-209-6519 is a Washer,flat, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-6519 has 2 manufacturer part numbers on file: 36-3-8-1SC (Raytheon Company Dba Raytheon Co), 3274538 (Hatch & Kirk, Inc.).
Key specifications for 36-3-8-1SC: Overall Diameter: 0.625 INCHES NOMINAL IN; Material Document and Classification: QQ-S-636,COND 1 OR 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Nondefinitive Spec/std Data: A TYPE AND 2 GRADE AND A CLASS. 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.