PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS(N)575S-92001853642PC18Cap,tube

Naval Ship Systems Command · NSN 4730-00-260-8284 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-260-8284 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-260-8284. Primary manufacturer part number: SS(N)575S-92001853642PC18.
Features
  • Cap,tube — FSC 4730
  • Specification/standard Data: 81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Seat Angle: 45.0 DEGREES
  • Nominal Thread Size: 0.438 INCHES INTERNAL IN
  • Thread Series Designator: UNF INTERNAL
  • Nondefinitive Spec/std Data: 37 FIGURE
  • Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Thread Class: 2B INTERNAL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy CA360 Overall construction
General Description

The Cap,tube, cataloged under National Stock Number 4730-00-260-8284, 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 Naval Ship Systems Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-260-8284
Primary Part NumberSS(N)575S-92001853642PC18
Item NameCap,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Specification/standard Data81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Seat Angle45.0 DEGREES
Nominal Thread Size0.438 INCHES INTERNAL IN
Thread Series DesignatorUNF INTERNAL
Nondefinitive Spec/std Data37 FIGURE
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Thread Class2B INTERNAL
Style DesignatorCAP
Connection StyleFLARE
Tube Outside Diameter for Which Designed0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND INTERNAL
MaterialCOPPER ALLOY CA360 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5331-00-078-7300 INTERCHANGEABLE
O-Ring
4730-00-477-5072A16447 INTERCHANGEABLE
Cap,tube
Mueller Brass Co.
7530-01-177-0116 INTERCHANGEABLE
Label
4730-01-201-3919 INTERCHANGEABLE
Cap,tube
5340-01-320-3857G390018-4 INTERCHANGEABLE
Hardware Kit,electronic Equipmen
L3harris Technologies, Inc Div Space & Airborne Systems
5821-01-325-4878A4544 INTERCHANGEABLE
Receiver,radio
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
2920-01-345-6843 INTERCHANGEABLE
Spark Plug
Cross-Reference Index
Part NumberManufacturer
5902643 Hamilton Sundstrand Corporation (USA)
J513 Society of Automotive Engineers Inc (USA)
3791-551REVBPC18 Mare Island Naval Shipyard (USA)
N5-4 Jb Industries Inc (USA)
FIT5 Sommer Electric Co Inc (USA)
SAE-J513 Sae International Dba Sae International (USA)
4010112B Sae International Dba Sae International (USA)
3791-551REVBPC18 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MIL-F-15049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
N5-4 Kerotest Manufacturing Corp. (USA)
4010112B Society of Automotive Engineers Inc (USA)
4 010112B(N5) Sae International Dba Sae International (USA)
640FB-04 Imperial (USA)
SS(N)575S-92001853642PC18 PRIMARY Naval Ship Systems Command (USA)
N5C Couplings Co Inc (USA)
N5-4 Imperial (USA)
576B3-04 Tld Ace Corp Div Tld Ace (USA)
SAE J513 4 010112B PRIMARY Sae International Dba Sae International (USA)
281700 Hyster-Yale Group, Inc. (USA)
640F-4 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
Related Parts
5331-00-078-7300INTERCHANGEABLE
O-RING
4730-00-477-5072INTERCHANGEABLE
CAP,TUBE
A16447
7530-01-177-0116INTERCHANGEABLE
LABEL
4730-01-201-3919INTERCHANGEABLE
CAP,TUBE
5340-01-320-3857INTERCHANGEABLE
HARDWARE KIT,ELECTRONIC EQUIPMEN
G390018-4
5821-01-325-4878INTERCHANGEABLE
RECEIVER,RADIO
A4544
2920-01-345-6843INTERCHANGEABLE
SPARK PLUG

Frequently Asked Questions

What is NSN 4730-00-260-8284?

NSN 4730-00-260-8284 is a Cap,tube, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-260-8284?

NSN 4730-00-260-8284 has 29 cross-referenced part numbers: 5902643 (Hamilton Sundstrand Corporation), J513 (Society of Automotive Engineers Inc), 3791-551REVBPC18 (Mare Island Naval Shipyard), N5-4 (Jb Industries Inc), FIT5 (Sommer Electric Co Inc) and 24 more.

What NSN replaces 4730-00-260-8284?

There are 7 known substitutes for 4730-00-260-8284: 5331-00-078-7300, 4730-00-477-5072, 7530-01-177-0116 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS(N)575S-92001853642PC18?

Key specifications for SS(N)575S-92001853642PC18: Specification/standard Data: 81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Seat Angle: 45.0 DEGREES; Nominal Thread Size: 0.438 INCHES INTERNAL IN; Thread Series Designator: UNF INTERNAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-260-8284 still in active supply?

NSN 4730-00-260-8284 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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