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1225255-55

View detailed technical data, stock status, and sourcing information for: 1225255-55

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1225255-55
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-912-5836
Item Name Code
16282
Assigment Date
01/01/1960 (66 years ago)

An item designed to support and position an armature or rotor when installed in a motor, generator or similar electrical rotating equipment. It may include items such as bearings, brushes, brush holders, oilers.

0.235 inches minimum and 0.265 inches maximum thread length, flat chamfer head style, 0.297 inches minimum and 0.327 inches maximum fastener length, 3a thread class, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.235 inches minimum and 0.265 inches maximum
Fastener Length
0.297 inches minimum and 0.327 inches maximum
Head Style
flat chamfer
Head Diameter
0.218 inches minimum and 0.226 inches maximum
Head Height
0.134 inches minimum and 0.138 inches maximum
Locking Feature
patch or pellet or strip threads
Internal Drive Style
hexagon
Nominal Thread Diameter
0.138 inches
Width Across Flats
0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch
32
Minimum Tensile Strength
80000 pounds per square inch
Hardness Rating
80.0 rockwell b minimum overall
Minimum Yield Strength
30000 pounds per square inch
Material
steel corrosion resisting overall
Material Document And Classification
66 fed std single material response overall
Surface Treatment
passivate overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-928-2053 No Name Available 03/01/1985

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
1225255-55 Socket Head Cap Screw
MS21295-8 Socket Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-912-5836?
The FSCG of the NSN 5305-00-912-5836 is 5305
Does the NSN 5305-00-912-5836 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-912-5836 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-912-5836 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-912-5836 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-912-5836 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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