The Washer,spring Tension, cataloged under National Stock Number 5310-01-185-8698, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Matthew Warren, Inc. Div Maryland Precision Spring. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-185-8698 |
| Primary Part Number | AM2009212 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Matthew Warren, Inc. Div Maryland Precision Spring |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 7.852 INCHES MINIMUM AND 7.870 INCHES MAXIMUM IN |
| Material Thickness | 0.4458 INCHES MINIMUM AND 0.4518 INCHES MAXIMUM IN |
| Material | STEEL COMP 1075 OR STEEL COMP 6150 OR STEEL COMP 631 OVERALL |
| Hole Diameter | 3.620 INCHES MINIMUM AND 3.634 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 |
|---|---|
| 2E2-34E PIECE 24 | Lake Shore Systems, Inc. (USA) |
| AM2009212 PRIMARY | Matthew Warren, Inc. Div Maryland Precision Spring (USA) |
| Reference | Meaning |
|---|---|
| AM2009212 | 3/9 Design control — primary reference Rolex Company Dba Rolex Company Div Rolex Company |
NSN 5310-01-185-8698 is a Washer,spring Tension, manufactured by Matthew Warren, Inc. Div Maryland Precision Spring, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-185-8698 has 2 manufacturer part numbers on file: 2E2-34E PIECE 24 (Lake Shore Systems, Inc.), AM2009212 (Matthew Warren, Inc. Div Maryland Precision Spring).
Key specifications for AM2009212: Overall Height: 0.6534 INCHES MINIMUM AND 0.6694 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 7.852 INCHES MINIMUM AND 7.870 INCHES MAXIMUM IN. 6 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.