The Washer,flat, cataloged under National Stock Number 5310-01-486-2861, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-486-2861 |
| Primary Part Number | 122-5589566 PC 15 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-22698,GR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL UNS K02102 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 2.062 INCHES NOMINAL IN |
| Thickness | 0.750 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 |
|---|---|
| 122-5589568 PC 13 | Naval Sea Systems Command (USA) |
| 122-5589566 PC 15 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5589568 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-486-2861 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-486-2861 has 2 manufacturer part numbers on file: 122-5589568 PC 13 (Naval Sea Systems Command), 122-5589566 PC 15 (Naval Sea Systems Command).
Key specifications for 122-5589566 PC 15: Overall Diameter: 3.000 INCHES NOMINAL IN; Material Document and Classification: MIL-S-22698,GR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: TWO HOLES 180 DEGREES APART DRILLED THRU,DIA 0.375 IN. NOM.,CENTER OF HOLES 0.375 IN. NOM. FROM TOP SURFACE IN. 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.