The O-Ring, cataloged under National Stock Number 5331-00-232-8530, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Itt Marlow a Unit of Itt Pumps and Compressors Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-00-232-8530 |
| Primary Part Number | 27788-00 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Itt Marlow a Unit of Itt Pumps and Compressors Div |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM 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 |
|---|---|
| 27788-00 PRIMARY | Itt Marlow a Unit of Itt Pumps and Compressors Div (USA) |
| 2-022N497-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 914-10-7657 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
NSN 5331-00-232-8530 is a O-Ring, manufactured by Itt Marlow a Unit of Itt Pumps and Compressors Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-232-8530 has 2 manufacturer part numbers on file: 27788-00 (Itt Marlow a Unit of Itt Pumps and Compressors Div), 2-022N497-7 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 27788-00: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.983 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN. 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.