The Washer,spring Tension, cataloged under National Stock Number 5310-01-503-8186, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolex Co Fan Disc Div. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-503-8186 |
| Primary Part Number | XAM 1006440 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolex Co Fan Disc Div |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 3.922 INCHES MINIMUM AND 3.952 INCHES MAXIMUM IN |
| Material Thickness | 0.145 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN |
| Material | STEEL COMP 6150 OVERALL |
| Hole Diameter | 2.505 INCHES MINIMUM AND 2.535 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 |
|---|---|
| XAM 1006440 PRIMARY | Rolex Co Fan Disc Div (USA) |
| Reference | Meaning |
|---|---|
| 3148434 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 3148434 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-503-8186 is a Washer,spring Tension, manufactured by Rolex Co Fan Disc Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-503-8186 has 1 manufacturer part number on file: XAM 1006440 (Rolex Co Fan Disc Div).
Key specifications for XAM 1006440: Overall Height: 0.244 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Outside Diameter: 3.922 INCHES MINIMUM AND 3.952 INCHES MAXIMUM IN; Material Thickness: 0.145 INCHES MINIMUM AND 0.151 INCHES MAXIMUM 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.