The Washer,flat, cataloged under National Stock Number 5310-01-189-5415, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fabritronics Industries Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-189-5415 |
| Primary Part Number | 3579209 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fabritronics Industries Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TY 1 OR TY 2 OR TY 3 OR TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059,COND 1/4 HARD TO 1/2 HARD MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 304 OR STEEL COMP 301 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Thickness | 0.023 INCHES MINIMUM AND 0.027 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 |
|---|---|
| 3579209 PRIMARY | Fabritronics Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 3579209 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-189-5415 is a Washer,flat, manufactured by Fabritronics Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-189-5415 has 1 manufacturer part number on file: 3579209 (Fabritronics Industries Inc).
Key specifications for 3579209: Surface Treatment Document and Classification: QQ-P-35,TY 1 OR TY 2 OR TY 3 OR TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059,COND 1/4 HARD TO 1/2 HARD MIL SPEC 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.