The O-Ring, cataloged under National Stock Number 5331-01-141-5569, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-141-5569 |
| Primary Part Number | 2491-15 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.275 INCHES NOMINAL IN |
| Center Hole Diameter | 10.343 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 5-887S613-6 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2491-15 PRIMARY | O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1881C02 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-01-141-5569 is a O-Ring, manufactured by O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-141-5569 has 2 manufacturer part numbers on file: 5-887S613-6 (Parker-Hannifin Corp Div O-Ring Division), 2491-15 (O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.).
Key specifications for 2491-15: Cross-Sectional Height: 0.275 INCHES NOMINAL IN; Special Features: FUNCTIONAL DESC: O-RING SILICONE RUBBER; REF DATA & LITERATURE: 1A1N9, TI-6850.64, FA-10045, SEMI FLUSH 20 AMP, SEC 1-10 PG 8-7, REF DRWG ON PG 8-3; Center Hole Diameter: 10.343 INCHES NOMINAL IN; End Item Identification: 2 GENERATION VERY HIGH FREQUENCY OMNIRANGE/TACAN (2GVORTAC). 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.