The Washer,flat, cataloged under National Stock Number 5310-01-610-5846, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mil-Mar Century Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-610-5846 |
| Primary Part Number | 106A0505-2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mil-Mar Century Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | XYLAN 5200 SERIES ZINC PHOSPHATED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.813 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Surface Treatment | ZINC AND PHOSPHATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Thickness | 0.051 INCHES MINIMUM AND 0.080 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 |
|---|---|
| 106A0505-2 PRIMARY | Mil-Mar Century Corporation (USA) |
| Reference | Meaning |
|---|---|
| 106A0505 | D/9 Drawing number reference only Mil-Mar Century Corporation |
NSN 5310-01-610-5846 is a Washer,flat, manufactured by Mil-Mar Century Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-610-5846 has 1 manufacturer part number on file: 106A0505-2 (Mil-Mar Century Corporation).
Key specifications for 106A0505-2: Surface Treatment Document and Classification: XYLAN 5200 SERIES ZINC PHOSPHATED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.813 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL. 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.