The Washer,recessed, cataloged under National Stock Number 5310-01-174-8254, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pcx Aerosystems Enfield, Llc Dba Pcx Aerosystems Enfield Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-174-8254 |
| Primary Part Number | 42312-393 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pcx Aerosystems Enfield, Llc Dba Pcx Aerosystems Enfield Llc |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND A FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.780 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN |
| Recess Depth | 0.135 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN |
| Material Thickness | 0.137 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 316 OR STEEL COMP 347 OVERALL |
| Hole Diameter | 0.220 INCHES MINIMUM AND 0.230 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 |
|---|---|
| 42312-393 | Pcx Aerosystems Enfield, Llc Dba Pcx Aerosystems Enfield Llc (USA) |
| Reference | Meaning |
|---|---|
| 10110042 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 42312-393 | 3/2 Design control — primary reference U.S. Government activity |
| 42312-393 | 5/9 Secondary reference Creative Precision, Inc. |
NSN 5310-01-174-8254 is a Washer,recessed, manufactured by Pcx Aerosystems Enfield, Llc Dba Pcx Aerosystems Enfield Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-174-8254 has 1 manufacturer part number on file: 42312-393 (Pcx Aerosystems Enfield, Llc Dba Pcx Aerosystems Enfield Llc).
Key specifications for 42312-393: Overall Height: 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND A FED SPEC 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.780 INCHES MINIMUM AND 0.800 INCHES MAXIMUM 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.