PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125550Screw,cap,hexagon Head

Eaton Aerospace, Llc Dba Jackson South · NSN 5305-00-206-1053 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-206-1053 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-206-1053. Primary manufacturer part number: 125550.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 1.000 INCHES MINIMUM IN
  • Surface Treatment: CADMIUM OVERALL
  • Head Height: 0.281 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Width Between Flats: 0.562 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-206-1053, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-206-1053
Primary Part Number125550
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Thread Length1.000 INCHES MINIMUM IN
Surface TreatmentCADMIUM OVERALL
Head Height0.281 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Between Flats0.562 INCHES NOMINAL IN
Head StyleHEXAGON
Thread Quantity Per Inch16
Thread Class2A A
Nominal Thread Diameter0.375 INCHES IN
Fastener Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-012-5550125550 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
6680-01-400-1304125550 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
6625-01-420-9122 INTERCHANGEABLE
Control-Power Supply
5315-01-716-3669VX0300 INTERCHANGEABLE
Pin,quick Release
Rock Exotica
Cross-Reference Index
Part NumberManufacturer
125550 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
CPP2155A001-102 Edo (USA)
Related Parts
5310-00-012-5550INTERCHANGEABLE
NUT,PLAIN,SQUARE
125550
6680-01-400-1304INTERCHANGEABLE
SWITCH,LIQUID LEVEL
125550
6625-01-420-9122INTERCHANGEABLE
CONTROL-POWER SUPPLY
5315-01-716-3669INTERCHANGEABLE
PIN,QUICK RELEASE
VX0300

Frequently Asked Questions

What is NSN 5305-00-206-1053?

NSN 5305-00-206-1053 is a Screw,cap,hexagon Head, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-206-1053?

NSN 5305-00-206-1053 has 2 cross-referenced part numbers: 125550 (Eaton Aerospace, Llc Dba Jackson South), CPP2155A001-102 (Edo).

What NSN replaces 5305-00-206-1053?

There are 4 known substitutes for 5305-00-206-1053: 5310-00-012-5550, 6680-01-400-1304, 6625-01-420-9122 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125550?

Key specifications for 125550: Thread Length: 1.000 INCHES MINIMUM IN; Surface Treatment: CADMIUM OVERALL; Head Height: 0.281 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 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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