NSN 5330-01-546-6543 · NIIN 015466543 · Part number H74181-02-4-1
Defense Maritime Solutions, Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 0EYA6
Government record, cited
NSN 5330-01-546-6543 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-546-6543. Manufacturer of record part number: H74181-02-4-1.
Also searched as5330-01-546-6543 ·
5330015466543 ·
NIIN 015466543 ·
01-546-6543 ·
FSC 5330 Packing and Gasket Materials · CAGE 0EYA6 · H74181-02-4-1
Material Document and Classification: NEOPRENE MFR REF SINGLE MATERIAL RESPONSE OVERALL
Material: RUBBER CHLOROPRENE CLASS CR OVERALL
Construction: SPLIT
1 manufacturer part number on file
Manufacturer of record: Defense Maritime Solutions, Inc.
Identification
NSN: 5330-01-546-6543
NIIN: 015466543
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: H74181-02-4-1
Manufacturer: Defense Maritime Solutions, Inc.
General Description
The Seal,plain, cataloged under National Stock Number 5330-01-546-6543, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-546-6543
Primary Part Number
H74181-02-4-1
Item Name
Seal,plain
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Defense Maritime Solutions, Inc.
Status
ACTIVE
FSC Application Data
RUDDER SEAL, STBD
Material Document and Classification
NEOPRENE MFR REF SINGLE MATERIAL RESPONSE OVERALL
Material
RUBBER CHLOROPRENE CLASS CR OVERALL
Construction
SPLIT
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085
RETAINER
5330-00-000-0167
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-00-000-5275
5330-00-000-5275 · Item name not on file
5330-00-001-1260
SEAL,NONMETALLIC SPECIAL SHAPED
5330-00-001-1833
SEAL,PLAIN ENCASED
5330-00-001-1844
GLAND,RESERVOIR,INDICATOR END
5330-00-001-1845
5330-00-001-1845 · Item name not on file
5330-00-001-1846
5330-00-001-1846 · Item name not on file
Frequently Asked Questions
What is NSN 5330-01-546-6543?
NSN 5330-01-546-6543 is a Seal,plain, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-546-6543?
NSN 5330-01-546-6543 has 1 manufacturer part number on file: H74181-02-4-1 (Defense Maritime Solutions, Inc.).
What are the specifications of H74181-02-4-1?
Key specifications for H74181-02-4-1: FSC Application Data: RUDDER SEAL, STBD; Material Document and Classification: NEOPRENE MFR REF SINGLE MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: BODY(SPLIT); BODY ASSEMBLY; End Item Identification: LPD 15 USS PONCE. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-546-6543 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.