PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12393Screw,machine

Kleinschmidt Inc · NSN 5305-00-188-0546 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-188-0546 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-188-0546. Primary manufacturer part number: 12393.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.312 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
  • Head Diameter: 0.260 INCHES NOMINAL IN
  • Fastener Length: 0.312 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 40
  • Screw Material: STEEL CORROSION RESISTING
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-188-0546, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 12 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-188-0546
Primary Part Number12393
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Thread Length0.312 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Head Diameter0.260 INCHES NOMINAL IN
Fastener Length0.312 INCHES NOMINAL IN
Thread Quantity Per Inch40
Screw MaterialSTEEL CORROSION RESISTING
Head Height0.080 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Thread Class2A A
Head StylePAN NO. 2
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5905-00-065-4767123-89 INTERCHANGEABLE
Resistor,thermal
Avionics Specialties, Inc.
5133-00-228-1412 INTERCHANGEABLE
Drill,twist
6150-00-237-9981012393-000 INTERCHANGEABLE
Lead,storage Battery
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
5970-00-253-987212393 INTERCHANGEABLE
Insulator,bushing
Aerocontrolex Group, Inc. Div Talley Actuators
3530-00-449-398712393 INTERCHANGEABLE
Body,shuttle
Singer Industrial Sewing Products Co Cutters Exchange Div
5930-01-159-9896 INTERCHANGEABLE
Switch,sensitive
5331-01-274-973112393 INTERCHANGEABLE
O-Ring
Bourns Inc
6525-01-574-8659100-0804-02 INTERCHANGEABLE
Mirror,computed Radiography
Minxray Inc
Cross-Reference Index
Part NumberManufacturer
12393 Kleinschmidt Inc (USA)
Related Parts
5905-00-065-4767INTERCHANGEABLE
RESISTOR,THERMAL
123-89
5133-00-228-1412INTERCHANGEABLE
DRILL,TWIST
6150-00-237-9981INTERCHANGEABLE
LEAD,STORAGE BATTERY
012393-000
5970-00-253-9872INTERCHANGEABLE
INSULATOR,BUSHING
12393
3530-00-449-3987INTERCHANGEABLE
BODY,SHUTTLE
12393
5930-01-159-9896INTERCHANGEABLE
SWITCH,SENSITIVE
5331-01-274-9731INTERCHANGEABLE
O-RING
12393
6525-01-574-8659INTERCHANGEABLE
MIRROR,COMPUTED RADIOGRAPHY
100-0804-02

Frequently Asked Questions

What is NSN 5305-00-188-0546?

NSN 5305-00-188-0546 is a Screw,machine, manufactured by Kleinschmidt Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-188-0546?

NSN 5305-00-188-0546 has 1 cross-referenced part number: 12393 (Kleinschmidt Inc).

What NSN replaces 5305-00-188-0546?

There are 8 known substitutes for 5305-00-188-0546: 5905-00-065-4767, 5133-00-228-1412, 6150-00-237-9981 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12393?

Key specifications for 12393: Thread Length: 0.312 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Series Designator: UNF; Head Diameter: 0.260 INCHES NOMINAL IN. 12 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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