PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-1663Adjuster,slack,brake

Terex Usa, Llc Dba Terex Equipment Services · NSN 2530-00-426-8368 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-426-8368 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-426-8368. Primary manufacturer part number: 2-1663.
Features
  • Adjuster,slack,brake — FSC 2530
  • Thread Direction: RIGHT-HAND
  • Connecting Arm Hole Bushing: INCLUDED
  • Minor Diameter: 1.214 INCHES MINIMUM AND 1.215 INCHES MAXIMUM IN
  • Major Diameter: 1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
  • Spline Type: STRAIGHT SPLINE
  • Connecting Arm Hole Quantity: 2
  • Connecting Arm Thickness: 0.501 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adjuster,slack,brake, cataloged under National Stock Number 2530-00-426-8368, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Terex Usa, Llc Dba Terex Equipment Services. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-00-426-8368
Primary Part Number2-1663
Item NameAdjuster,slack,brake
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerTerex Usa, Llc Dba Terex Equipment Services
StatusACTIVE
Thread DirectionRIGHT-HAND
Connecting Arm Hole BushingINCLUDED
Minor Diameter1.214 INCHES MINIMUM AND 1.215 INCHES MAXIMUM IN
Major Diameter1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Spline TypeSTRAIGHT SPLINE
Connecting Arm Hole Quantity2
Connecting Arm Thickness0.501 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
ShapeSTRAIGHT
Torque Load Rating15000.000 INCH-POUNDS IN
Adjustment TypeSINGLE ARM
Locking Device TypeSPRING LOADED PLUNGER
Hole Diameter0.501 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
Connecting Arm Center to Center Distance Between Spline Hole and Connection Hole8.000 INCHES NOMINAL AND 6.000 INCHES NOMINAL IN
Spline Quantity10
Connecting Arm DesignSTRAIGHT
Screw Thread Series DesignatorNPT
Thread Size Designator0.125-27
Lubrication ProvisionPIPE PLUG
FSC Application DataAIR BRAKE GROUP,CRUSHER-SCREENING PLANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4320-00-163-107399121663 INTERCHANGEABLE
Pump,rotary
Alfa Laval Inc
5330-00-297-733121663 INTERCHANGEABLE
Gasket
Arvinmeritor Inc
5935-00-563-1430 INTERCHANGEABLE
Connector,plug,electrical
5305-01-188-049221663 INTERCHANGEABLE
Screw Assy. Vent
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
2530-01-265-324921239 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Mark Industries
6680-01-266-688978318 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
6620-01-310-6653NW21663 INTERCHANGEABLE
Gage Unit,engine
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
45000-287-01 Terex Usa, Llc Dba Terex Equipment Services (USA)
278318 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
78318 Trio Tool Co (USA)
2-1663 PRIMARY Terex Usa, Llc Dba Terex Equipment Services (USA)
Related Parts
4320-00-163-1073INTERCHANGEABLE
PUMP,ROTARY
99121663
5330-00-297-7331INTERCHANGEABLE
GASKET
21663
5935-00-563-1430INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5305-01-188-0492INTERCHANGEABLE
SCREW ASSY. VENT
21663
2530-01-265-3249INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
21239
6680-01-266-6889INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
78318
6620-01-310-6653INTERCHANGEABLE
GAGE UNIT,ENGINE
NW21663

Frequently Asked Questions

What is NSN 2530-00-426-8368?

NSN 2530-00-426-8368 is a Adjuster,slack,brake, manufactured by Terex Usa, Llc Dba Terex Equipment Services, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-426-8368?

NSN 2530-00-426-8368 has 4 cross-referenced part numbers: 45000-287-01 (Terex Usa, Llc Dba Terex Equipment Services), 278318 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), 78318 (Trio Tool Co), 2-1663 (Terex Usa, Llc Dba Terex Equipment Services).

What NSN replaces 2530-00-426-8368?

There are 7 known substitutes for 2530-00-426-8368: 4320-00-163-1073, 5330-00-297-7331, 5935-00-563-1430 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-1663?

Key specifications for 2-1663: Thread Direction: RIGHT-HAND; Connecting Arm Hole Bushing: INCLUDED; Minor Diameter: 1.214 INCHES MINIMUM AND 1.215 INCHES MAXIMUM IN; Major Diameter: 1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

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