The Ring,retaining, cataloged under National Stock Number 5325-01-545-1801, is classified within Federal Supply Class 5325 (Fastening Devices) 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-545-1801 |
| Primary Part Number | ZH12301F |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C |
| Status | ACTIVE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE |
| Ring Style | STRAIGHT GAP |
| Material | COPPER ALLOY 922 |
| 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 |
|---|---|
| 140-1.50 IN ITEM 7 | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C (USA) |
| ZH12301F PRIMARY | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C (USA) |
| Reference | Meaning |
|---|---|
| 140-1.50IN ITEM 7 | 5/9 Secondary reference Staples & Pfeiffer, Inc. |
| 140-1.50 IN | D/9 Drawing number reference only Staples & Pfeiffer, Inc. |
NSN 5325-01-545-1801 is a Ring,retaining, manufactured by The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-545-1801 has 2 manufacturer part numbers on file: 140-1.50 IN ITEM 7 (The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C), ZH12301F (The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C).
Key specifications for ZH12301F: Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE; Ring Style: STRAIGHT GAP; Special Features: OUTSIDE DIAMETER - 2.791 INCHES; INSIDE DIAMETER 2.375 INCHES; THICKNESS 0.070 INCHES IN; End Item Identification: STRAINER, Y TYPE 1.5 IN IN. 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.