The Washer,flat, cataloged under National Stock Number 5310-01-486-3304, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cepeda Associates, Inc. Dba Cepeda Associates Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-486-3304 |
| Primary Part Number | 9230-B214 FIND 4 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cepeda Associates, Inc. Dba Cepeda Associates Inc |
| Status | ACTIVE |
| Overall Diameter | 6.485 INCHES MINIMUM AND 6.515 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A240,304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.295 INCHES MINIMUM AND 1.325 INCHES MAXIMUM 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 |
|---|---|
| 9230-B214 FIND 4 PRIMARY | Cepeda Associates, Inc. Dba Cepeda Associates Inc (USA) |
| Reference | Meaning |
|---|---|
| 9230-B214 | D/9 Drawing number reference only Cepeda Associates, Inc. Dba Cepeda Associates Inc |
NSN 5310-01-486-3304 is a Washer,flat, manufactured by Cepeda Associates, Inc. Dba Cepeda Associates Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-486-3304 has 1 manufacturer part number on file: 9230-B214 FIND 4 (Cepeda Associates, Inc. Dba Cepeda Associates Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-486-7211, 5365-01-487-0206. Verify interchangeability with system specifications before substitution.
Key specifications for 9230-B214 FIND 4: Overall Diameter: 6.485 INCHES MINIMUM AND 6.515 INCHES MAXIMUM IN; Material Document and Classification: ASTM A240,304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; 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.