The Seal Assembly, cataloged under National Stock Number 5330-00-301-7370, 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through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal Assembly |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | John Crane, Inc (CAGE 71724); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 5330-00-301-7370 |
| Primary Part Number | M30278 |
| Item Name | Seal Assembly |
| 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) |
| Part Number | Manufacturer |
|---|---|
| M30278 PRIMARY | John Crane, Inc (USA) |
| 10095C18 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 3875S429X2 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| NSP-00223 | Defense Maritime Solutions, Inc. (USA) |
| PL10755F18PC429 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| CF-SP-34834TY8- 1-3.880BF101D1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| CF-SP-34834 XF91MO15M | 5/9 Secondary reference John Crane, Inc |
| CF-SP-34834 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| NSP-00223 | 5/9 Secondary reference Wartsila Lips Inc |
| 3875S429X2 | 5/9 Secondary reference U.S. Government activity |
| 10755F18 | 5/9 Secondary reference U.S. Government activity |
| 10095C18 | 5/9 Secondary reference U.S. Government activity |
| CFSP34834 | 5/9 Secondary reference John Crane, Inc |
| 10633F18 | 5/9 Secondary reference U.S. Government activity |
| NSP-00223XF91M015M | 5/9 Secondary reference John Crane, Inc |
| CF-SP34834XF50MO15M | 5/9 Secondary reference John Crane, Inc |
| NSP-00223XF91M015M | 5/9 Secondary reference Wartsila Lips Inc |
| X3875S429X2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| PL10755F18PC429 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-301-7370 is a Seal Assembly, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-301-7370 has 5 manufacturer part numbers on file: M30278 (John Crane, Inc), 10095C18 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 3875S429X2 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), NSP-00223 (Defense Maritime Solutions, Inc.), PL10755F18PC429 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
5 possible matches (shared part number, not a government interchangeability claim): 4320-00-306-7849, 4320-00-306-7852, 4320-01-035-6800. Verify interchangeability with system specifications before substitution.
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.