The Washer,flat, cataloged under National Stock Number 5310-01-665-7014, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eastern Industrial Products, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-665-7014 |
| Primary Part Number | Z2MCM-98023A030 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eastern Industrial Products, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1020 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.3125 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 |
|---|---|
| Z2MCM-98023A030 PRIMARY | Eastern Industrial Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 15A0092BITEM18 | C/1 Advisory reference — outside the item-of-supply concept Eastern Industrial Products, Inc. |
| MCM-98023A030 | 5/9 Secondary reference Eastern Industrial Products, Inc. |
NSN 5310-01-665-7014 is a Washer,flat, manufactured by Eastern Industrial Products, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-665-7014 has 1 manufacturer part number on file: Z2MCM-98023A030 (Eastern Industrial Products, Inc.).
Key specifications for Z2MCM-98023A030: Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: WASHER,PUMP HEAD; Material: STEEL COMP 1020 OVERALL. 5 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.