The Washer,recessed, cataloged under National Stock Number 5310-01-088-3426, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-088-3426 |
| Primary Part Number | 77332C-14 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 100.0 MICROINCHES ALL SURFACES |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM |
| Style Designator | RECESSED |
| Outside Diameter | 1.780 INCHES NOMINAL IN |
| Material Thickness | 0.109 INCHES NOMINAL IN |
| Recess Diameter | 1.028 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 718 OVERALL |
| Hole Diameter | 0.879 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 |
|---|---|
| 77332C-14 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 5169285-001 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5310-01-088-3426 is a Washer,recessed, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-088-3426 has 1 manufacturer part number on file: 77332C-14 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 77332C-14: Surface Finish: 100.0 MICROINCHES ALL SURFACES; Hardness Rating: 34.0 ROCKWELL C MINIMUM; Style Designator: RECESSED; Outside Diameter: 1.780 INCHES NOMINAL 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.