The O-Ring, cataloged under National Stock Number 5331-01-155-1775, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kovatch Corp.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-155-1775 |
| Primary Part Number | K-500-CH-1126 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kovatch Corp. |
| Status | ACTIVE |
| 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 |
|---|---|
| K-500-CH-1126 PRIMARY | Kovatch Corp. (USA) |
| Reference | Meaning |
|---|---|
| 341SL43 | 5/2 Secondary reference U.S. Government activity |
| 8148 2360121 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-155-1775 is a O-Ring, manufactured by Kovatch Corp., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-155-1775 has 1 manufacturer part number on file: K-500-CH-1126 (Kovatch Corp.).
Key specifications for K-500-CH-1126: End Item Identification: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS. 0 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.