The O-Ring, cataloged under National Stock Number 5331-01-312-8899, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | Federal-Mogul Corp Government Sales Dept (CAGE 01212); Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (CAGE 04627); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Parco, Llc (CAGE 77308) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-312-8899 |
| Primary Part Number | 301991 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| 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 |
|---|---|
| AS226C90-90 | Federal-Mogul Corp Government Sales Dept (USA) |
| 301991 PRIMARY | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| 2-226N552-90 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 226-4087-90 | Parco, Llc (USA) |
| Reference | Meaning |
|---|---|
| 50770 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AS226G42-70 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| 301991 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 5331-01-312-8899 is a O-Ring, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-312-8899 has 4 manufacturer part numbers on file: AS226C90-90 (Federal-Mogul Corp Government Sales Dept), 301991 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 2-226N552-90 (Parker-Hannifin Corp Div O-Ring Division), 226-4087-90 (Parco, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5995-01-372-8711, 4320-01-393-5841, 4720-01-413-4058. 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.