PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8404Standoff,threaded,spacing

Keystone Electronics Corp · NSN 5340-01-596-6562 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-596-6562 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-596-6562. Primary manufacturer part number: 8404.
Features
  • Standoff,threaded,spacing — FSC 5340
  • Thread Quantity Per Inch: 40 RIGHT EXTERNAL
  • Nominal Thread Size: 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
  • Material: ALUMINUM OVERALL
  • Thread Length: 0.187 INCHES NOMINAL RIGHT EXTERNAL IN
  • Thread Direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
  • Nominal Thread Size: 0.112 INCHES RIGHT EXTERNAL IN
  • Length: 0.875 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-596-6562, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-596-6562
Primary Part Number8404
Item NameStandoff,threaded,spacing
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Thread Quantity Per Inch40 RIGHT EXTERNAL
Nominal Thread Size0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
MaterialALUMINUM OVERALL
Thread Length0.187 INCHES NOMINAL RIGHT EXTERNAL IN
Thread DirectionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
Nominal Thread Size0.112 INCHES RIGHT EXTERNAL IN
Length0.875 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
Right Projection Diameter0.112 INCHES NOMINAL IN
Thread Class2A RIGHT EXTERNAL A
Cross-Sectional ShapeHEXAGON
Right Projection Length0.187 INCHES NOMINAL IN
Thread Length0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
Thread Class2B LEFT INTERNAL (INCLUDES THRU THREAD)
Thread Quantity Per Inch40 LEFT INTERNAL (INCLUDES THRU THREAD)
Thread DirectionRIGHT-HAND RIGHT EXTERNAL
Width Across Flats0.250 INCHES NOMINAL IN
Surface TreatmentANODIZE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
Style DesignatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
5340-00-065-5153NAS1831AC4B10 SUCCESSOR
Standoff,threaded,spacing
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6135-00-164-8779 INTERCHANGEABLE
Battery,nonrechargeable
5935-00-173-72851299 INTERCHANGEABLE
Connector,receptacle,electrical
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6145-00-729-90918404 0601000 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire and Cable Co Wire and Cable Office
5960-00-952-3011 INTERCHANGEABLE
Electron Tube
5935-00-982-10198404 INTERCHANGEABLE
Connector,receptacle,electrical
Abb Installation Products Inc
4820-01-075-1938 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5996-01-144-4691 INTERCHANGEABLE
Amplifier,radio Frequency
5962-01-396-7905 INTERCHANGEABLE
Microcircuit,memory
5975-01-612-01768404 INTERCHANGEABLE
Chase Nipple,conduit
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
8404 PRIMARY Keystone Electronics Corp (USA)
Related Parts
5340-00-065-5153SUCCESSOR
STANDOFF,THREADED,SPACING
NAS1831AC4B10
6135-00-164-8779INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5935-00-173-7285INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1299
6145-00-729-9091INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8404 0601000
5960-00-952-3011INTERCHANGEABLE
ELECTRON TUBE
5935-00-982-1019INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8404
4820-01-075-1938INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5996-01-144-4691INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
5962-01-396-7905INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5975-01-612-0176INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
8404

Frequently Asked Questions

What is NSN 5340-01-596-6562?

NSN 5340-01-596-6562 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 5340-01-596-6562?

NSN 5340-01-596-6562 has 1 cross-referenced part number: 8404 (Keystone Electronics Corp).

What NSN replaces 5340-01-596-6562?

There are 10 known substitutes for 5340-01-596-6562: 5340-00-065-5153, 6135-00-164-8779, 5935-00-173-7285 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8404?

Key specifications for 8404: Part Name Assigned by Controlling Agency: 0.250 (6.4) HEX MALE-FEMALE STANDOFF; Thread Quantity Per Inch: 40 RIGHT EXTERNAL; End Item Identification: 5840-01-578-1768; Nominal Thread Size: 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN. 22 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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