The Washer,spring Tension, cataloged under National Stock Number 5310-01-439-4194, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-439-4194 |
| Primary Part Number | 12418556 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 15.63 MILLIMETERS MINIMUM AND 16.13 MILLIMETERS MAXIMUM MM |
| Material Thickness | 0.30 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Hole Diameter | 8.01 MILLIMETERS MINIMUM AND 8.25 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 12418556 PRIMARY | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12418556 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5804-294-2 | 3/2 Design control — primary reference U.S. Government activity |
| 12418556 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-439-4194 is a Washer,spring Tension, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-439-4194 has 2 manufacturer part numbers on file: 12418556 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12418556 (Amz Alabama Inc.).
Key specifications for 12418556: Overall Height: 1.78 MILLIMETERS MINIMUM AND 2.28 MILLIMETERS MAXIMUM MM; Style Designator: SPRING TENSION; Outside Diameter: 15.63 MILLIMETERS MINIMUM AND 16.13 MILLIMETERS MAXIMUM MM; Material Thickness: 0.30 MILLIMETERS NOMINAL MM. 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.