The O-Ring, cataloged under National Stock Number 5331-00-808-4234, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Acushnet Rubber Company, Inc. Dba Precix. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-00-808-4234 |
| Primary Part Number | 398738 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Acushnet Rubber Company, Inc. Dba Precix |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 398738 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 398738 PRIMARY | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| Reference | Meaning |
|---|---|
| 398738 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5331-00-808-4234 is a O-Ring, manufactured by Acushnet Rubber Company, Inc. Dba Precix, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-808-4234 has 2 manufacturer part numbers on file: 398738 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 398738 (Acushnet Rubber Company, Inc. Dba Precix).
Key specifications for 398738: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 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.