The O-Ring, cataloged under National Stock Number 5331-00-916-4239, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Carrier Corp. Government technical data includes 2 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 | 5331-00-916-4239 |
| Primary Part Number | KK71ER240 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.282 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Center Hole Diameter | 23.407 INCHES MINIMUM AND 23.531 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 |
|---|---|
| KK71ER240 PRIMARY | Carrier Corp (USA) |
NSN 5331-00-916-4239 is a O-Ring, manufactured by Carrier Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-916-4239 has 1 manufacturer part number on file: KK71ER240 (Carrier Corp).
Key specifications for KK71ER240: Cross-Sectional Height: 0.282 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Center Hole Diameter: 23.407 INCHES MINIMUM AND 23.531 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.