The Seal Ring,metal, cataloged under National Stock Number 5330-01-270-1670, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Brandon & Clark, Inc. Div Brandon & Clark (CAGE 0Y4E6); John Crane, Inc (CAGE 71724); Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-270-1670 |
| Primary Part Number | CFD-1197-1B 7/8 TY21XF50MDM |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 274845/274800 ITEM 014 | Brandon & Clark, Inc. Div Brandon & Clark (USA) |
| CFD-1197-1B 7/8 TY21XF50MDM PRIMARY | John Crane, Inc (USA) |
| CFD-1197-1B 7/8 TY21XF50MO15M | John Crane, Inc (USA) |
| CFD-1197-1B 7/8 TY21XF50MO15M | Defense Maritime Solutions, Inc. (USA) |
| 273130101 | Brandon & Clark, Inc. Div Brandon & Clark (USA) |
| Reference | Meaning |
|---|---|
| 273130 | 5/9 Secondary reference Franklin Electric Co Inc |
| CFD-1197-1B 7/8 TY21XF50MO15M | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5330-01-270-1670 is a Seal Ring,metal, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-270-1670 has 5 manufacturer part numbers on file: 274845/274800 ITEM 014 (Brandon & Clark, Inc. Div Brandon & Clark), CFD-1197-1B 7/8 TY21XF50MDM (John Crane, Inc), CFD-1197-1B 7/8 TY21XF50MO15M (John Crane, Inc), CFD-1197-1B 7/8 TY21XF50MO15M (Defense Maritime Solutions, Inc.), 273130101 (Brandon & Clark, Inc. Div Brandon & Clark).
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.