The Washer,flat, cataloged under National Stock Number 5310-00-612-4145, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Systems Engineering Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-612-4145 |
| Primary Part Number | PLSE5200TM11PC4 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Systems Engineering Inc |
| 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 |
|---|---|
| PLSE5200TM11PC4 | Systems Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| P49804-17 | 3/9 Design control — primary reference Northern Line Machine Div of Commencement Intl Corp |
NSN 5310-00-612-4145 is a Washer,flat, manufactured by Systems Engineering Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-612-4145 has 1 manufacturer part number on file: PLSE5200TM11PC4 (Systems Engineering Inc).
Key specifications for PLSE5200TM11PC4: 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.