The O-Ring, cataloged under National Stock Number 5331-00-718-3622, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-718-3622 |
| Primary Part Number | 707253R1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.500 INCHES NOMINAL 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 |
|---|---|
| 707253R1 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 707253R1 | 5/9 Secondary reference Komatsu America Corporation |
| D-35289 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| D35289 | 5/9 Secondary reference Komatsu America Corporation |
NSN 5331-00-718-3622 is a O-Ring, manufactured by Dressta North America Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-718-3622 has 1 manufacturer part number on file: 707253R1 (Dressta North America Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5331-00-719-9719. Verify interchangeability with system specifications before substitution.
Key specifications for 707253R1: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.500 INCHES NOMINAL IN. 2 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.