The Washer,seal, cataloged under National Stock Number 5310-01-555-4149, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Critical Solutions International, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-555-4149 |
| Primary Part Number | AW01ARN55 |
| Item Name | Washer,seal |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Critical Solutions International, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| AW01ARN55 PRIMARY | Critical Solutions International, Llc (USA) |
| 811 401 100 4 PRIMARY | Critical Solutions International, Llc (USA) |
| Reference | Meaning |
|---|---|
| 811 401 100 4 | 5/9 Secondary reference Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co |
NSN 5310-01-555-4149 is a Washer,seal, manufactured by Critical Solutions International, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-555-4149 has 2 manufacturer part numbers on file: AW01ARN55 (Critical Solutions International, Llc), 811 401 100 4 (Critical Solutions International, Llc).
Key specifications for AW01ARN55: End Item Identification: 2420-01-538-8287 TRACTOR, WHEELED, HIGH SPEED. 0 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.