The Washer,flat, cataloged under National Stock Number 5310-01-363-2886, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-363-2886 |
| Primary Part Number | 235A2310AF3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Overall Diameter | 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN |
| Material Document and Classification | ASTMA366 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1009 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.800 INCHES MINIMUM AND 1.840 INCHES MAXIMUM IN |
| Thickness | 0.063 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 |
|---|---|
| 235A2310AF3 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 04-0002 ITEM 52 | 5/9 Secondary reference Ward Leonard Ct Llc |
| 04-0060 ITEM NO 52 | 5/9 Secondary reference Ward Leonard Ct Llc |
NSN 5310-01-363-2886 is a Washer,flat, manufactured by Ward Leonard Ct Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-363-2886 has 1 manufacturer part number on file: 235A2310AF3 (Ward Leonard Ct Llc).
Key specifications for 235A2310AF3: Overall Diameter: 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN; Material Document and Classification: ASTMA366 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL. 9 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.