The O-Ring, cataloged under National Stock Number 5331-01-538-1152, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Summit Seal Co. 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 | 5331-01-538-1152 |
| Primary Part Number | 023BUNA70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Summit Seal Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.041 INCHES MINIMUM AND 1.061 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 023BUNA70 PRIMARY | Summit Seal Co (USA) |
NSN 5331-01-538-1152 is a O-Ring, manufactured by Summit Seal Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-538-1152 has 1 manufacturer part number on file: 023BUNA70 (Summit Seal Co).
Key specifications for 023BUNA70: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 1.041 INCHES MINIMUM AND 1.061 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: O-RING; End Item Identification: F-16 C/D VIPER. 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.