The O-Ring, cataloged under National Stock Number 5331-01-577-5300, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-577-5300 |
| Primary Part Number | Y325-125 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Cross-Sectional Height | 0.093 INCHES NOMINAL IN |
| Center Hole Diameter | 1.500 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| Y325-125 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
NSN 5331-01-577-5300 is a O-Ring, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-577-5300 has 1 manufacturer part number on file: Y325-125 (Ingersoll-Rand Company Dba Ingersoll-Rand).
Key specifications for Y325-125: Cross-Sectional Height: 0.093 INCHES NOMINAL IN; Center Hole Diameter: 1.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING; End Item Identification: AIR MOTOR DIAPHRAGM PUMP. 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.