The O-Ring, cataloged under National Stock Number 5331-01-325-8398, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Apple Rubber Products, Inc. Dba Apple Rubber Products 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-325-8398 |
| Primary Part Number | 197X197-70BN |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.197 INCHES NOMINAL IN |
| Center Hole Diameter | 0.197 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 197X197-70BN PRIMARY | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 115651020 FIND 46 | 5/9 Secondary reference Bird-Johnson Propeller Company, Llc |
| 0-5-1-12 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-325-8398 is a O-Ring, manufactured by Apple Rubber Products, Inc. Dba Apple Rubber Products Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-325-8398 has 1 manufacturer part number on file: 197X197-70BN (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-687-0993. Verify interchangeability with system specifications before substitution.
Key specifications for 197X197-70BN: Cross-Sectional Height: 0.197 INCHES NOMINAL IN; Center Hole Diameter: 0.197 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.