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5305-00-957-6266

Find complete technical information, availability, and procurement data for: 5305-00-957-6266

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5305-00-957-6266
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-957-6266
Item Name Code
06657
Assigment Date
01/01/1962 (64 years ago)

A transformer consisting of one or more primary winding(s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an overall one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see transformer (1), power, autotransformer. Excludes:transformer (1), pulse.

2a thread class, flat countersunk head style, 0.438 inches nominal fastener length, 0.376 inches minimum and 0.438 inches maximum thread length, 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
2a
Thread Direction
right-hand
Thread Length
0.376 inches minimum and 0.438 inches maximum
Fastener Length
0.438 inches nominal
Head Style
flat countersunk
Head Diameter
0.292 inches minimum and 0.332 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
60000 pounds per square inch
Countersink Angle
80.0 degrees minimum and 82.0 degrees maximum
Screw Material
steel
Screw Material Document And Classification
66 fed std single material response or astma108 assn std single material response
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response or mil-c-8152,ty 2,cl 3 mil spec single treatment response
Thread Series Designator
unc
Nondefinitive Spec/Std Data
3 type and 2c style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-619-1173 No Name Available 12/01/1982
5305-00-761-9904 No Name Available 02/01/1985

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
18265 Machine Screw
18265ADX Machine Screw
A0L82-3 Machine Screw
C1568-3 Machine Screw
MS35190-252 Machine Screw
MS35194-41 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-957-6266?
The FSCG of the NSN 5305-00-957-6266 is 5305
Does the NSN 5305-00-957-6266 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-957-6266 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 5305-00-957-6266 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-957-6266 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 5305-00-957-6266 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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