The Washer,recessed, cataloged under National Stock Number 5310-00-133-4859, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-133-4859 |
| Primary Part Number | 77206236 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Top Recess Diameter | 0.547 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.547 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | S.80 FSCM K0131 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.667 INCHES NOMINAL IN |
| Material Thickness | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.515 INCHES MINIMUM AND 0.520 INCHES MAXIMUM 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 |
|---|---|
| 77206236 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5310-00-133-4859 is a Washer,recessed, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-133-4859 has 1 manufacturer part number on file: 77206236 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 77206236: Top Recess Diameter: 0.547 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.547 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN; Top Recess Angle: 90.0 DEGREES NOMINAL; Style Designator: RECESSED BOTH SIDES. 10 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.