The Gasket, cataloged under National Stock Number 5330-01-478-0580, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) 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 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-478-0580 |
| Primary Part Number | SFI-17375-122 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C |
| Status | ACTIVE |
| Material Document and Classification | NOBESTOS D-7301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Material | RUBBER OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SFI-17375-122 PRIMARY | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C (USA) |
| SFI-17375-122 | Cleveland Gear Company, Inc. Dba Cleveland Gear Co (USA) |
| SFI-15212 ITEM 7 | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C (USA) |
| Reference | Meaning |
|---|---|
| SFI-15212 ITEM 7 | 5/9 Secondary reference Cleveland Gear Company, Inc. Dba Cleveland Gear Co |
| 17375-122 | C/1 Advisory reference — outside the item-of-supply concept Cleveland Gear Company, Inc. Dba Cleveland Gear Co |
NSN 5330-01-478-0580 is a Gasket, manufactured by The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-478-0580 has 3 manufacturer part numbers on file: SFI-17375-122 (The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C), SFI-17375-122 (Cleveland Gear Company, Inc. Dba Cleveland Gear Co), SFI-15212 ITEM 7 (The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C).
Key specifications for SFI-17375-122: Material Document and Classification: NOBESTOS D-7301 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Special Features: 4500 PSI TENSILE STRENGTH TEAR RESISTANT ELASTOMER AND HYBRID BINDER FOR APPLICATIONS TO 750F (400C); Part Name Assigned by Controlling Agency: OUTER GASKET; End Item Identification: SIGHT FLOW INDICATOR (59958) SFI-15212,1-1/2 INCH 250 PSIG FLAT FACE FLANGE PER MIL-F-20042D IN. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.