PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304-C-6Hydraulic Cap

Hose Connection Inc Div Hose Connections, Inc · NSN 4730-01-644-2047 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-644-2047 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-644-2047. Primary manufacturer part number: 304-C-6.
Features
  • Hydraulic Cap — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Hose Connection Inc Div Hose Connections, Inc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Hydraulic Cap, cataloged under National Stock Number 4730-01-644-2047, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Hose Connection Inc Div Hose Connections, Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHydraulic Cap
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersHose Connection Inc Div Hose Connections, Inc (CAGE 5UPA4); Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (CAGE 01365)
Technical Specifications
ParameterValue
NSN4730-01-644-2047
Primary Part Number304-C-6
Item NameHydraulic Cap
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHose Connection Inc Div Hose Connections, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-01-665-8804304-C-6 INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
J.w.f. Technologies, Llc
Cross-Reference Index
Part NumberManufacturer
304-C-6 PRIMARY Hose Connection Inc Div Hose Connections, Inc (USA)
10013B3029 Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA)
Related Parts
5340-01-665-8804INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
304-C-6

Frequently Asked Questions

What is NSN 4730-01-644-2047?

NSN 4730-01-644-2047 is a Hydraulic Cap, manufactured by Hose Connection Inc Div Hose Connections, Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-644-2047?

NSN 4730-01-644-2047 has 2 cross-referenced part numbers: 304-C-6 (Hose Connection Inc Div Hose Connections, Inc), 10013B3029 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).

What NSN replaces 4730-01-644-2047?

There is 1 known substitute for 4730-01-644-2047: 5340-01-665-8804. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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