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A032-2104

View detailed technical data, stock status, and sourcing information for: A032-2104

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A032-2104
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-220-8670
Item Name Code
06657
Assigment Date
11/21/1985 (40 years ago)

A fastener designed for securing firebrick to the outer wall or casing of furnaces or boilers. Normally consisting of a straight or bent shank with a square or rectangular head and designed for high temperature application.

3a thread class, 0.252 inches minimum and 0.302 inches maximum thread length, 0.512 inches minimum and 0.542 inches maximum fastener length, flat countersunk head style, 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
0.252 inches minimum and 0.302 inches maximum
Fastener Length
0.512 inches minimum and 0.542 inches maximum
Head Style
flat countersunk
Head Diameter
0.244 inches minimum and 0.279 inches maximum
Internal Drive Style
torque set
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
steel
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
qq-p-416 type 2 class 2 fed spec single treatment response
Special Features
internal drive ribbed
Thread Series Designator
unjc

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
123181A06R04 Machine Screw
A032-2104 Machine Screw
HR132-06R04 Machine Screw
LE111-0032-2104 Machine Screw
PBF1378-2104 Machine Screw
SC1785R-06-2104 Machine Screw
W111-0032-2104 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-220-8670?
The FSCG of the NSN 5305-01-220-8670 is 5305
Does NSN 5305-01-220-8670 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 5305-01-220-8670 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-220-8670 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 5305-01-220-8670 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Thu, Nov 21, 1985

Professional Distribution

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