The O-Ring, cataloged under National Stock Number 5331-00-585-1311, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-585-1311 |
| Primary Part Number | 2151452 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.137 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Center Hole Diameter | 9.937 INCHES MINIMUM AND 10.062 INCHES MAXIMUM 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 | X |
| Part Number | Manufacturer |
|---|---|
| 2151452 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2151452 | 3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| 2151452P | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-00-585-1311 is a O-Ring, manufactured by Fairbanks Morse, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-585-1311 has 1 manufacturer part number on file: 2151452 (Fairbanks Morse, Llc).
Key specifications for 2151452: Cross-Sectional Height: 0.137 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Center Hole Diameter: 9.937 INCHES MINIMUM AND 10.062 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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.