The O-Ring, cataloged under National Stock Number 5331-00-198-6191, 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 2 specifications, cited from the U.S. Government catalog. The record lists 23 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 26 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-198-6191 |
| Primary Part Number | 15AF9B2115APC22 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 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 | X |
| Part Number | Manufacturer |
|---|---|
| 15AF9B2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| MAF10B2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 22AF10C2115CPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 21SAF10B2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 9AF9B2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 13AF10B2115CPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 16AFA2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| AFC5877A PRIMARY | Fairbanks Morse, Llc (USA) |
| 10AF10C2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 33SAF10B2115CPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| AFB5877A PRIMARY | Fairbanks Morse, Llc (USA) |
| 10AF10C2115BPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| CAFB5877A PRIMARY | Fairbanks Morse, Llc (USA) |
| MAF9B2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 9AF9B2115CPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 8AF9B2115CPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 15AF9B2115CPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 13AF10B2115APC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 16AFA2115CPC22 PRIMARY | Fairbanks Morse, Llc (USA) |
| 17AF8B2115CPC23 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 21SAF10B2115CPC22 | 5/9 Secondary reference U.S. Government activity |
| 9AF9B2115CPC22 | 5/9 Secondary reference U.S. Government activity |
| MAF10B2115APC22 | 5/9 Secondary reference U.S. Government activity |
| 15AF9B2115APC22 | 5/9 Secondary reference U.S. Government activity |
| 16AFA2115APC22 | 5/9 Secondary reference U.S. Government activity |
| 13AF10B2115APC22 | 5/9 Secondary reference U.S. Government activity |
| MAF9B2115APC22 | 5/9 Secondary reference U.S. Government activity |
| 17AF8B2115CPC23 | 5/9 Secondary reference U.S. Government activity |
| MAFB2115BPC22 | 5/9 Secondary reference U.S. Government activity |
| AFB5877A | 3/9 Design control — primary reference U.S. Government activity |
| 22AF10C2115APC22 | 5/9 Secondary reference U.S. Government activity |
| AFC5877A | 5/9 Secondary reference U.S. Government activity |
| 16AFA2115CPC22 | 5/9 Secondary reference U.S. Government activity |
| CAFB5877A | 5/9 Secondary reference U.S. Government activity |
| 22AF10C2115CPC22 | 5/9 Secondary reference U.S. Government activity |
| MILR6855CLASS1GRADE60 | 4/1 Identification reference U.S. Government activity |
| 9AF9B2115APC22 | 5/9 Secondary reference U.S. Government activity |
| 33SAF10B2115CPC22 | 5/9 Secondary reference U.S. Government activity |
| 15AF9B2115CPC22 | 5/9 Secondary reference U.S. Government activity |
| 21SAF10B2115APC22 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-198-6191 is a O-Ring, manufactured by Fairbanks Morse, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-198-6191 has 23 manufacturer part numbers on file: 15AF9B2115APC22 (Fairbanks Morse, Llc), MAF10B2115APC22 (Fairbanks Morse, Llc), 22AF10C2115CPC22 (Fairbanks Morse, Llc), 21SAF10B2115APC22 (Fairbanks Morse, Llc), 9AF9B2115APC22 (Fairbanks Morse, Llc) and 18 more.
4 possible matches (shared part number, not a government interchangeability claim): 9320-00-202-4047, 9320-00-202-4053, 9320-00-202-4055. Verify interchangeability with system specifications before substitution.
Key specifications for 15AF9B2115APC22: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 2 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.