The Washer,shouldered, cataloged under National Stock Number 5310-01-126-1222, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Simplex Manufacturing Co. Dba Dart Aerospace. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-126-1222 |
| Primary Part Number | A7148516P2 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Simplex Manufacturing Co. Dba Dart Aerospace |
| Status | ACTIVE |
| Shoulder Height | 0.029 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Outside Diameter | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 0.111 INCHES MINIMUM AND 0.121 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 |
|---|---|
| A7148516P2 PRIMARY | Simplex Manufacturing Co. Dba Dart Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 210-1171-00 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-126-1222 is a Washer,shouldered, manufactured by Simplex Manufacturing Co. Dba Dart Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-126-1222 has 1 manufacturer part number on file: A7148516P2 (Simplex Manufacturing Co. Dba Dart Aerospace).
Key specifications for A7148516P2: Shoulder Height: 0.029 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Outside Diameter: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Material Thickness: 0.022 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN. 7 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.