The Washer,recessed, cataloged under National Stock Number 5310-01-089-5672, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pilatus Aircraft Ltd. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-089-5672 |
| Primary Part Number | 9387511203 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pilatus Aircraft Ltd |
| Status | ACTIVE |
| Top Recess Diameter | 0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Bottom Recess Diameter | 0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | MIL-S-5059,TY 302,1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.756 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Material Thickness | 0.144 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 4130 OVERALL |
| Hole Diameter | 0.376 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 9387511203 | Pilatus Aircraft Ltd (CHE) |
| MS14155-6 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| Reference | Meaning |
|---|---|
| 5310PL2202692 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10122108 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MS14155-6 | 3/2 Design control — primary reference U.S. Government activity |
| MS14155-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-089-5672 is a Washer,recessed, manufactured by Pilatus Aircraft Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-089-5672 has 2 manufacturer part numbers on file: 9387511203 (Pilatus Aircraft Ltd), MS14155-6 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).
Key specifications for 9387511203: Top Recess Diameter: 0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Bottom Recess Diameter: 0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN; Hardness Rating: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM. 13 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.