The O-Ring, cataloged under National Stock Number 5331-01-552-3103, 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 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-552-3103 |
| Primary Part Number | 652213568 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fairbanks Morse, Llc |
| Status | CANCELLED |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Color | BLACK |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 652213568 PRIMARY | Fairbanks Morse, Llc (USA) |
| 00652213568 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 00652213568 | 5/9 Secondary reference U.S. Government activity |
| 030600-034 | 5/9 Secondary reference U.S. Government activity |
| 652213568 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-552-3103 is a O-Ring, manufactured by Fairbanks Morse, Llc, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-01-552-3103 has 2 manufacturer part numbers on file: 652213568 (Fairbanks Morse, Llc), 00652213568 (Fairbanks Morse, Llc).
Key specifications for 652213568: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Color: BLACK; Part Name Assigned by Controlling Agency: O-RING, AN 21, V747-75. 4 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.
NSN 5331-01-552-3103 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.