The O-Ring, cataloged under National Stock Number 5331-01-232-5630, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Precision Scientific Petroleum Instruments Co. Government technical data includes 2 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 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 | 5331-01-232-5630 |
| Primary Part Number | 232156 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Precision Scientific Petroleum Instruments Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 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 |
|---|---|
| 232156 PRIMARY | Precision Scientific Petroleum Instruments Co (USA) |
NSN 5331-01-232-5630 is a O-Ring, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-232-5630 has 1 manufacturer part number on file: 232156 (Precision Scientific Petroleum Instruments Co).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-377-0137. Verify interchangeability with system specifications before substitution.
Key specifications for 232156: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.