The Washer,flat, cataloged under National Stock Number 5310-01-285-7403, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | International Organization for Standardization (iso) (CAGE I9008); Elbit Systems C4i and Cyber Ltd Div C4i and Cyber (CAGE 2291A) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-285-7403 |
| Primary Part Number | ISO7092-20-200 HVA4 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| 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 |
|---|---|
| ISO7092-20-200 HVA4 | International Organization for Standardization (iso) (CHE) |
| 93-1387 | Elbit Systems C4i and Cyber Ltd Div C4i and Cyber (ISR) |
| DIN 433 21 | Elbit Systems C4i and Cyber Ltd Div C4i and Cyber (ISR) |
| Reference | Meaning |
|---|---|
| DIN 433 21 | 5/9 Secondary reference Soltam Systems Ltd. |
| 93-1387 | 5/9 Secondary reference Soltam Systems Ltd. |
| 93-1387 | 5/9 Secondary reference Soltam Systems Ltd. Dba Soltam Ltd. |
| DIN 433 21 | 5/9 Secondary reference Soltam Systems Ltd. Dba Soltam Ltd. |
NSN 5310-01-285-7403 is a Washer,flat, manufactured by International Organization for Standardization (iso), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-285-7403 has 3 manufacturer part numbers on file: ISO7092-20-200 HVA4 (International Organization for Standardization (iso)), 93-1387 (Elbit Systems C4i and Cyber Ltd Div C4i and Cyber), DIN 433 21 (Elbit Systems C4i and Cyber Ltd Div C4i and Cyber).
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.