The O-Ring, cataloged under National Stock Number 5331-01-079-0875, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Falls Filtration Technologies, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-079-0875 |
| Primary Part Number | 20315AF |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-7362 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 20315AF PRIMARY | Falls Filtration Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5331PL0821013 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-079-0875 is a O-Ring, manufactured by Falls Filtration Technologies, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-079-0875 has 1 manufacturer part number on file: 20315AF (Falls Filtration Technologies, Inc.).
Key specifications for 20315AF: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material Document and Classification: MIL-R-7362 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: INSIDE DIAMETER IS 0.750 INCHES, OUTSIDE DIAMTER IS 1.000 INCHES 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.