The Washer,recessed, cataloged under National Stock Number 5310-01-077-5827, 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 9 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 | 5310-01-077-5827 |
| Primary Part Number | 810-4384681 PIECE 32 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Style Designator | RECESSED |
| Material Document and Classification | 168 (DELRIN),FSCM 07555 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.718 INCHES MINIMUM AND 3.720 INCHES MAXIMUM IN |
| Material Thickness | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Recess Diameter | 1.156 INCHES NOMINAL IN |
| Material | PLASTIC ACETAL OVERALL |
| Hole Diameter | 1.094 INCHES NOMINAL IN |
| Recess Angle | 90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 810-4384681 PIECE 32 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-077-5827 is a Washer,recessed, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-077-5827 has 1 manufacturer part number on file: 810-4384681 PIECE 32 (Naval Sea Systems Command).
Key specifications for 810-4384681 PIECE 32: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Style Designator: RECESSED; Material Document and Classification: 168 (DELRIN),FSCM 07555 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.718 INCHES MINIMUM AND 3.720 INCHES MAXIMUM IN. 9 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.