The O-Ring, cataloged under National Stock Number 5331-01-545-0622, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-545-0622 |
| Primary Part Number | ZH229C137 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C |
| Status | ACTIVE |
| Cross-Sectional Height | 0.010 INCHES NOMINAL IN |
| Center Hole Diameter | 2.050 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 140-1.50IN ITEM 5 | Federal Resources Supply Company, Llc (USA) |
| ZH229C137 PRIMARY | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C (USA) |
| Reference | Meaning |
|---|---|
| 140-1.50IN ITEM 5 | 5/9 Secondary reference The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C |
| 140-1.50IN ITEM 5 | 3/9 Design control — primary reference Staples & Pfeiffer, Inc. |
| 2-137 | 5/9 Secondary reference Staples & Pfeiffer, Inc. |
NSN 5331-01-545-0622 is a O-Ring, manufactured by The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-545-0622 has 2 manufacturer part numbers on file: 140-1.50IN ITEM 5 (Federal Resources Supply Company, Llc), ZH229C137 (The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C).
Key specifications for ZH229C137: Cross-Sectional Height: 0.010 INCHES NOMINAL IN; Center Hole Diameter: 2.050 INCHES NOMINAL IN; End Item Identification: STRAINER,Y TYPE,1.5IN IN; Material: RUBBER FLUOROCARBON CLASS FPM. 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.