The O-Ring, cataloged under National Stock Number 5331-01-146-6067, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (CAGE 28968) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-146-6067 |
| Primary Part Number | 2621-906-13 ITEM 91 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2621-906-13 ITEM 91 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 2521-906-13 ITEM 91 | 5/9 Secondary reference U.S. Government activity |
| 2621-906-13 ITEM 91 | 5/9 Secondary reference U.S. Government activity |
| 90282-1 | 5/1 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
NSN 5331-01-146-6067 is a O-Ring, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-146-6067 has 1 manufacturer part number on file: 2621-906-13 ITEM 91 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-226-8314, 5330-01-549-2109. Verify interchangeability with system specifications before substitution.
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.