The Ring,sealing, cataloged under National Stock Number 5365-01-062-3857, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-062-3857 |
| Primary Part Number | 21056R1 |
| Item Name | Ring,sealing |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Komatsu America Corp. |
| 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 |
|---|---|
| 21056R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 156452R1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 156452R1 | 5/9 Secondary reference Komatsu American Intl Co |
| 3-122 | 5/9 Secondary reference Liberty Ventures Inti, Llc |
| 21056R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 5365-01-062-3857 is a Ring,sealing, manufactured by Komatsu America Corp., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-062-3857 has 1 manufacturer part number on file: 21056R1 (Komatsu America Corp.).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-502-7424. Verify interchangeability with system specifications before substitution.
Key specifications for 21056R1: End Item Identification: MD-3 TRACTOR AIRCRAFT TOWING. 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.