The Washer,shouldered, cataloged under National Stock Number 5310-01-439-8883, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Micro Plastics Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-439-8883 |
| Primary Part Number | 12SWS2542 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Micro Plastics Inc |
| Status | ACTIVE |
| Shoulder Height | 4.36 MILLIMETERS MINIMUM AND 5.16 MILLIMETERS MAXIMUM MM |
| Style Designator | SHOULDERED |
| Outside Diameter | 18.92 MILLIMETERS MINIMUM AND 19.18 MILLIMETERS MAXIMUM MM |
| Shoulder Diameter | 12.57 MILLIMETERS MINIMUM AND 12.83 MILLIMETERS MAXIMUM MM |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Hole Diameter | 10.79 MILLIMETERS MINIMUM AND 11.05 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 |
|---|---|
| 12421463-002 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12421463-002 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12SWS2542 PRIMARY | Micro Plastics Inc (USA) |
| 12421463-002 | Amz Alabama Inc. (USA) |
NSN 5310-01-439-8883 is a Washer,shouldered, manufactured by Micro Plastics Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-439-8883 has 4 manufacturer part numbers on file: 12421463-002 (U S Army Tank Automotive Command Amsta-Im-Mm), 12421463-002 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12SWS2542 (Micro Plastics Inc), 12421463-002 (Amz Alabama Inc.).
Key specifications for 12SWS2542: Overall Height: 5.95 MILLIMETERS NOMINAL MM; Shoulder Height: 4.36 MILLIMETERS MINIMUM AND 5.16 MILLIMETERS MAXIMUM MM; Style Designator: SHOULDERED; Outside Diameter: 18.92 MILLIMETERS MINIMUM AND 19.18 MILLIMETERS MAXIMUM MM. 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.