PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8433Standoff,threaded,spacing

Keystone Electronics Corp · NSN 5340-01-509-6342 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-509-6342 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-509-6342. Primary manufacturer part number: 8433.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Thread Class: 2B LEFT INTERNAL (INCLUDES THRU THREAD)
  • Thread Quantity Per Inch: 32 RIGHT EXTERNAL
  • Cross-Sectional Shape: HEXAGON
  • Right Projection Diameter: 0.250 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32 LEFT INTERNAL (INCLUDES THRU THREAD)
  • Thread Class: 2A RIGHT EXTERNAL A
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-509-6342, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keystone Electronics Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-509-6342
Primary Part Number8433
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Thread Class2B LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Quantity Per Inch32 RIGHT EXTERNAL
Cross-Sectional ShapeHEXAGON
Right Projection Diameter0.250 INCHES NOMINAL IN
Thread Quantity Per Inch32 LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Class2A RIGHT EXTERNAL A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
Thread DirectionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
MaterialALUMINUM OVERALL
Thread Length0.375 INCHES NOMINAL RIGHT EXTERNAL IN
Style DesignatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
Thread DirectionRIGHT-HAND RIGHT EXTERNAL
Nominal Thread Size0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
Thread Length0.375 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
Width Across Flats0.250 INCHES NOMINAL IN
Right Projection Length0.375 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
Nominal Thread Size0.250 INCHES RIGHT EXTERNAL IN
Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
5340-01-213-39718433 SUCCESSOR
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4920-00-212-3085SWE8433D INTERCHANGEABLE
Base Plate,propeller
Hydratight Operations Inc
5120-00-230-6373 INTERCHANGEABLE
Handle,socket Wrench
6125-00-839-79048433 INTERCHANGEABLE
Stator,motor-Generator
Kurz & Root Generator Company, Llc
5950-00-864-36342106388 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-864-53058-433N300-90 INTERCHANGEABLE
Retainer,packing
Parker-Hannifin Corp Div O-Ring Division
4820-00-896-59785-8431 1/2 INTERCHANGEABLE
Valve,globe
Flowserve Inc
6530-01-039-476130-1093-250 INTERCHANGEABLE
Pad,bed Linen Protective
Parke-Davis Div of Warner-Lambert Co
2590-01-195-6988A20131-14 INTERCHANGEABLE
Control Assembly,push-Pull
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3040-01-217-27078433 INTERCHANGEABLE
Gearshaft,spur
Eaton Corporation Div Eaton Fluid Power
Cross-Reference Index
Part NumberManufacturer
8433 PRIMARY Keystone Electronics Corp (USA)
89F1997 Newark Electronics Corporation Dba Newark (USA)
Related Parts
5340-01-213-3971SUCCESSOR
STANDOFF,THREADED,SPACING
8433
4920-00-212-3085INTERCHANGEABLE
BASE PLATE,PROPELLER
SWE8433D
5120-00-230-6373INTERCHANGEABLE
HANDLE,SOCKET WRENCH
6125-00-839-7904INTERCHANGEABLE
STATOR,MOTOR-GENERATOR
8433
5950-00-864-3634INTERCHANGEABLE
TRANSFORMER,POWER
2106388
5330-00-864-5305INTERCHANGEABLE
RETAINER,PACKING
8-433N300-90
4820-00-896-5978INTERCHANGEABLE
VALVE,GLOBE
5-8431 1/2
6530-01-039-4761INTERCHANGEABLE
PAD,BED LINEN PROTECTIVE
30-1093-250
2590-01-195-6988INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
A20131-14
3040-01-217-2707INTERCHANGEABLE
GEARSHAFT,SPUR
8433
5975-01-679-1907INTERCHANGEABLE
CONDUIT,NONMETALLIC,FLEXIBLE
8433

Frequently Asked Questions

What is NSN 5340-01-509-6342?

NSN 5340-01-509-6342 is a Standoff,threaded,spacing, manufactured by Keystone Electronics Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-509-6342?

NSN 5340-01-509-6342 has 2 cross-referenced part numbers: 8433 (Keystone Electronics Corp), 89F1997 (Newark Electronics Corporation Dba Newark).

What NSN replaces 5340-01-509-6342?

There are 11 known substitutes for 5340-01-509-6342: 5340-01-213-3971, 4920-00-212-3085, 5120-00-230-6373 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8433?

Key specifications for 8433: Thread Class: 2B LEFT INTERNAL (INCLUDES THRU THREAD); Thread Quantity Per Inch: 32 RIGHT EXTERNAL; Special Features: MATERIAL IS IRRIDITE ALUMINUM; Cross-Sectional Shape: HEXAGON. 20 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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