PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

250-4642241Jacking Assembly

Naval Ship Systems Command · NSN 4470-01-185-1911 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-01-185-1911 — this item is cataloged by the U.S. Government under National Stock Number 4470-01-185-1911. Primary manufacturer part number: 250-4642241.
Features
  • Jacking Assembly — FSC 4470
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Jacking Assembly, cataloged under National Stock Number 4470-01-185-1911, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-01-185-1911
Primary Part Number250-4642241
Item NameJacking Assembly
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4030-00-242-5575 INTERCHANGEABLE
Shackle
4470-01-098-9495 INTERCHANGEABLE
Handling Gear Assembly
5305-01-185-1895 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-185-1896250-4642241PC23 INTERCHANGEABLE
Screw,cap,hexagon Head
Naval Ship Systems Command
5315-01-185-1903 INTERCHANGEABLE
Pin,cotter
4470-01-185-1909 INTERCHANGEABLE
Lifting Adapter Assembly
4470-01-185-1910 INTERCHANGEABLE
Link Assembly
4470-01-185-1912 INTERCHANGEABLE
Arm Assembly,pivot
4470-01-186-5651 INTERCHANGEABLE
Ring,hoist
4470-01-186-5670 INTERCHANGEABLE
Link,hoisting
Cross-Reference Index
Part NumberManufacturer
250-4642241 Naval Ship Systems Command (USA)
87725-3601 ASSEMBLY 17B Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4642241-000B Naval Ship Systems Command (USA)
Related Parts
4030-00-242-5575INTERCHANGEABLE
SHACKLE
4470-01-098-9495INTERCHANGEABLE
HANDLING GEAR ASSEMBLY
5305-01-185-1895INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-185-1896INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
250-4642241PC23
5315-01-185-1903INTERCHANGEABLE
PIN,COTTER
4470-01-185-1909INTERCHANGEABLE
LIFTING ADAPTER ASSEMBLY
4470-01-185-1910INTERCHANGEABLE
LINK ASSEMBLY
4470-01-185-1912INTERCHANGEABLE
ARM ASSEMBLY,PIVOT
4470-01-186-5651INTERCHANGEABLE
RING,HOIST
4470-01-186-5670INTERCHANGEABLE
LINK,HOISTING
5340-01-186-5764INTERCHANGEABLE
PAD EYE

Frequently Asked Questions

What is NSN 4470-01-185-1911?

NSN 4470-01-185-1911 is a Jacking Assembly, manufactured by Naval Ship Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-01-185-1911?

NSN 4470-01-185-1911 has 3 cross-referenced part numbers: 250-4642241 (Naval Ship Systems Command), 87725-3601 ASSEMBLY 17B (Electric Boat Corporation Div General Dynamics Electric Boat), 4642241-000B (Naval Ship Systems Command).

What NSN replaces 4470-01-185-1911?

There are 11 known substitutes for 4470-01-185-1911: 4030-00-242-5575, 4470-01-098-9495, 5305-01-185-1895 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 250-4642241?

Key specifications for 250-4642241: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com