The O-Ring, cataloged under National Stock Number 5331-01-322-0746, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ward Leonard Ct Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Ward Leonard Ct Llc (CAGE 63743) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-322-0746 |
| Primary Part Number | K70-0103 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| K70-0103 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 5005-709 | 5/9 Secondary reference Raytheon Company Div Rmd Strategic |
| K70-0103 | 3/9 Design control — primary reference Ward Leonard Ct Llc |
NSN 5331-01-322-0746 is a O-Ring, manufactured by Ward Leonard Ct Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-322-0746 has 1 manufacturer part number on file: K70-0103 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-657-0231. Verify interchangeability with system specifications before substitution.
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.