The Washer,flat, cataloged under National Stock Number 5310-01-069-2741, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-069-2741 |
| Primary Part Number | 402843 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| 402843 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| 402843 | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 402843 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 402843 | 3/9 Design control — primary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 5310-01-069-2741 is a Washer,flat, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-069-2741 has 2 manufacturer part numbers on file: 402843 (Lucent Technologies Inc Corporate Headquarters), 402843 (Telemechanics Inc).
Key specifications for 402843: Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 3 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.