The O-Ring, cataloged under National Stock Number 5331-01-191-8814, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Aerofab Company, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-191-8814 |
| Primary Part Number | 121086 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Aerofab Company, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.430 INCHES NOMINAL IN |
| Center Hole Diameter | 6.730 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| 121086 PRIMARY | Aerofab Company, Inc. (USA) |
| 12312058 | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
| F-9188-733 PRIMARY | Greene Tweed & Co Inc (USA) |
| 12312058 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12312058 | General Dynamics Land Systems Inc. Div Gdls Global Llc (USA) |
| Reference | Meaning |
|---|---|
| 5331011918814 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| F-9188-733 | 5/9 Secondary reference Palmetto Inc |
NSN 5331-01-191-8814 is a O-Ring, manufactured by Aerofab Company, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-191-8814 has 5 manufacturer part numbers on file: 121086 (Aerofab Company, Inc.), 12312058 (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc), F-9188-733 (Greene Tweed & Co Inc), 12312058 (U S Army Tank Automotive Command Amsta-Im-Mm), 12312058 (General Dynamics Land Systems Inc. Div Gdls Global Llc).
Key specifications for 121086: Cross-Sectional Height: 0.430 INCHES NOMINAL IN; Center Hole Diameter: 6.730 INCHES NOMINAL IN; End Item Identification: M1A1 TANK BLOCK 11; Material: RUBBER. 3 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.