The Washer,flat, cataloged under National Stock Number 5310-01-628-0115, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co Div Ilmon. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-628-0115 |
| Primary Part Number | 33215 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co Div Ilmon |
| Status | ACTIVE |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.344 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| 11B5190347-5 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| 33215 PRIMARY | Fastenal Company Dba Fastenal Co Div Ilmon (USA) |
| Reference | Meaning |
|---|---|
| 11B5190347-5 | 5/9 Secondary reference J and B Food Processing |
| 11B5190347-5 | 5/9 Secondary reference Fastenal Company Dba Fastenal Co Div Ilmon |
| 11B5190347-5 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
| 33215 | 5/9 Secondary reference J and B Food Processing |
NSN 5310-01-628-0115 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co Div Ilmon, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-628-0115 has 2 manufacturer part numbers on file: 11B5190347-5 (W.w. Grainger, Inc. Div Government Sales Division), 33215 (Fastenal Company Dba Fastenal Co Div Ilmon).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-666-8979. Verify interchangeability with system specifications before substitution.
Key specifications for 33215: Overall Diameter: 1.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL; Peripheral Shape Style: ROUND. 8 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.