The Washer,shouldered, cataloged under National Stock Number 5310-01-631-9231, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division. 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 | 5310-01-631-9231 |
| Primary Part Number | 758-106-001 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PER QQ-P-35,TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | PER QQ-5-763,CL 303,CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.188 INCHES NOMINAL IN |
| Shoulder Diameter | 0.117 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.077 INCHES MINIMUM AND 0.081 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 |
|---|---|
| 758-106-001 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
NSN 5310-01-631-9231 is a Washer,shouldered, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-631-9231 has 1 manufacturer part number on file: 758-106-001 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division).
Key specifications for 758-106-001: Overall Height: 0.094 INCHES NOMINAL IN; Surface Treatment Document and Classification: PER QQ-P-35,TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Style Designator: SHOULDERED. 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.