PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST6601Cylinder Assembly,hydraulic Brak

Separation Technologies a Div of Fleetguard Nelson Inc Dba Separation Technologies a Division of Fleetguard Inc · NSN 2530-01-110-4630 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-01-110-4630 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-110-4630. Primary manufacturer part number: ST6601.
Features
  • Cylinder Assembly,hydraulic Brak — FSC 2530
  • Mounting Provision: UNTHREADED MOUNTING HOLES
  • Actuation Method: DIRECT
  • Mounting Type and Location: FLANGE PISTON ROD END
  • Seat Angle in Deg: 42.0 SINGLE PORT
  • Port Thread Quantity Per Inch: 20 ALL PORTS
  • Port Thread Diameter: 0.500 INCHES NOMINAL ALL PORTS IN
  • Port Location and Quantity: 1 CENTER SECTION AND 1 CYLINDER HEAD END
Applications
  • Applications requiring Iron Cast Body construction
General Description

The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-110-4630, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Separation Technologies a Div of Fleetguard Nelson Inc Dba Separation Technologies a Division of Fleetguard Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-01-110-4630
Primary Part NumberST6601
Item NameCylinder Assembly,hydraulic Brak
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerSeparation Technologies a Div of Fleetguard Nelson Inc Dba Separation Technologies a Division of Fleetguard Inc
StatusACTIVE
Mounting ProvisionUNTHREADED MOUNTING HOLES
Actuation MethodDIRECT
Mounting Type and LocationFLANGE PISTON ROD END
Seat Angle in Deg42.0 SINGLE PORT
Port Thread Quantity Per Inch20 ALL PORTS
Port Thread Diameter0.500 INCHES NOMINAL ALL PORTS IN
Port Location and Quantity1 CENTER SECTION AND 1 CYLINDER HEAD END
Center to Center Distance Between Mounting Provisions3.375 INCHES NOMINAL IN
Port Thread Series DesignatorUNF SINGLE PORT
Port Thread Series DesignatorUNF ALL PORTS
Port Thread Diameter0.562 INCHES NOMINAL SINGLE PORT IN
Port Thread Class2B ALL PORTS
Port StyleINVERTED FLARE SINGLE PORT
Mounting Facility Diameter0.405 INCHES NOMINAL IN
Port StyleINVERTED FLARE ALL PORTS
Port Thread Class2B SINGLE PORT
Seat Angle in Deg42.0 ALL PORTS
Reservoir TypeINTEGRAL
MaterialIRON CAST BODY
Mounting Provision Arrangement StyleTWO HOLE
Straight Bore Inside Diameter1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-089-460495J2K0 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
9540-00-119-9027 INTERCHANGEABLE
Angle,structural
9540-00-145-7539 INTERCHANGEABLE
Angle,structural
5935-00-259-6481 INTERCHANGEABLE
Plug,tip
5950-00-645-70964630 INTERCHANGEABLE
Transformer,power
Astec America Inc.
1680-00-732-90374630 INTERCHANGEABLE
Poppet Assembly
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5935-01-033-5258 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5980-01-106-258521100120A INTERCHANGEABLE
Light Emitting Diode
Ballantine Laboratories Inc
6640-01-153-67124630 INTERCHANGEABLE
Tube,capillary,blood Sample
Becton Dickinson and Co Primary Care Diagnostics Div
5120-01-335-9072 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
4630 Allied Automotive Allied Aftermarket Div (USA)
18009462 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
ST6601 PRIMARY Separation Technologies a Div of Fleetguard Nelson Inc Dba Separation Technologies a Division of Fleetguard Inc (USA)
18005250 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
18009462 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
5905-00-089-4604INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
95J2K0
9540-00-119-9027INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-145-7539INTERCHANGEABLE
ANGLE,STRUCTURAL
5935-00-259-6481INTERCHANGEABLE
PLUG,TIP
5950-00-645-7096INTERCHANGEABLE
TRANSFORMER,POWER
4630
1680-00-732-9037INTERCHANGEABLE
POPPET ASSEMBLY
4630
5935-01-033-5258INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5980-01-106-2585INTERCHANGEABLE
LIGHT EMITTING DIODE
21100120A
6640-01-153-6712INTERCHANGEABLE
TUBE,CAPILLARY,BLOOD SAMPLE
4630
5120-01-335-9072INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6510-01-369-6035INTERCHANGEABLE
DRESSING,OCCLUSIVE,ADHESIVE
4630
5930-01-410-7437INTERCHANGEABLE
SWITCH,ROTARY
166006-1

Frequently Asked Questions

What is NSN 2530-01-110-4630?

NSN 2530-01-110-4630 is a Cylinder Assembly,hydraulic Brak, manufactured by Separation Technologies a Div of Fleetguard Nelson Inc Dba Separation Technologies a Division of Fleetguard Inc, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-01-110-4630?

NSN 2530-01-110-4630 has 5 cross-referenced part numbers: 4630 (Allied Automotive Allied Aftermarket Div), 18009462 (General Motors Corp Chevrolet Motor Div Special Products Dept), ST6601 (Separation Technologies a Div of Fleetguard Nelson Inc Dba Separation Technologies a Division of Fleetguard Inc), 18005250 (General Motors Corp Chevrolet Motor Div Special Products Dept), 18009462 (General Motors Llc Dba General Motors Llc).

What NSN replaces 2530-01-110-4630?

There are 12 known substitutes for 2530-01-110-4630: 5905-00-089-4604, 9540-00-119-9027, 9540-00-145-7539 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST6601?

Key specifications for ST6601: Mounting Provision: UNTHREADED MOUNTING HOLES; Overall Height: 5.750 INCHES NOMINAL IN; Actuation Method: DIRECT; Overall Width: 4.285 INCHES NOMINAL IN. 23 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