The Washer,spring Tension, cataloged under National Stock Number 5310-01-422-1822, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lenox Instrument Co., Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-422-1822 |
| Primary Part Number | 3353AS281-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lenox Instrument Co., Inc. |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.975 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN |
| Material Thickness | 0.021 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.628 INCHES MINIMUM AND 0.638 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 |
|---|---|
| 3353AS281-1 PRIMARY | Lenox Instrument Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3353AS281-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| U625-210 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-422-1822 is a Washer,spring Tension, manufactured by Lenox Instrument Co., Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-422-1822 has 1 manufacturer part number on file: 3353AS281-1 (Lenox Instrument Co., Inc.).
Key specifications for 3353AS281-1: Overall Height: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Outside Diameter: 0.975 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN; Material Thickness: 0.021 INCHES NOMINAL IN. 5 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.