The O-Ring, cataloged under National Stock Number 5331-01-728-5235, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-728-5235 |
| Primary Part Number | 22164925 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| Cross-Sectional Height | 3.53 INCHES NOMINAL IN |
| Center Hole Diameter | 608.94 INCHES NOMINAL IN |
| 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 |
|---|---|
| 22164925 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
NSN 5331-01-728-5235 is a O-Ring, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-728-5235 has 1 manufacturer part number on file: 22164925 (Ingersoll-Rand Company Dba Rotary Compressor Division).
Key specifications for 22164925: Cross-Sectional Height: 3.53 INCHES NOMINAL IN; Center Hole Diameter: 608.94 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING 608.94X3.53. 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.