The O-Ring, cataloged under National Stock Number 5331-01-186-3312, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Morris Material Handling, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Morris Material Handling, Inc. (CAGE 27315) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-186-3312 |
| Primary Part Number | 45Z910D31 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Morris Material Handling, Inc. |
| 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 |
|---|---|
| 45Z910D31 PRIMARY | Morris Material Handling, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 31541 | 3/9 Design control — primary reference Vickers Inc |
| 1045Z2005 | 5/9 Secondary reference Morris Material Handling, Inc. |
NSN 5331-01-186-3312 is a O-Ring, manufactured by Morris Material Handling, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-186-3312 has 1 manufacturer part number on file: 45Z910D31 (Morris Material Handling, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-223-0078. 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.