The O-Ring, cataloged under National Stock Number 5331-00-137-3450, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Defense Industrial Supply Center Directorate of Engineering and Standardization. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-137-3450 |
| Primary Part Number | CD5330-02527-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Defense Industrial Supply Center Directorate of Engineering and Standardization |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| XA744Z | Prestolite Electric Inc (USA) |
| CD5330-02527-1 PRIMARY | Defense Industrial Supply Center Directorate of Engineering and Standardization (USA) |
| Reference | Meaning |
|---|---|
| XA-744Z | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5331PL0716167 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| XA744Z | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5331-00-137-3450 is a O-Ring, manufactured by Defense Industrial Supply Center Directorate of Engineering and Standardization, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-137-3450 has 2 manufacturer part numbers on file: XA744Z (Prestolite Electric Inc), CD5330-02527-1 (Defense Industrial Supply Center Directorate of Engineering and Standardization).
Key specifications for CD5330-02527-1: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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.