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5305-00-623-1190

Shoulder Screw

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Official Item Classification

Name
Shoulder Screw
(NSN) National Stock Number
5305-00-623-1190
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
22846
(FIIG) Federal Item Identification Guide
A003B0
Date
03/01/1975 (51 years ago)

3a thread class, 0.506 inches minimum and 0.556 inches maximum thread length, 1.578 inches minimum and 1.608 inches maximum fastener length, right-hand thread direction, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.506 inches minimum and 0.556 inches maximum

Fastener Length

1.578 inches minimum and 1.608 inches maximum

Head Style

flat countersunk

Head Diameter

0.578 inches minimum and 0.634 inches maximum

Shoulder Diameter

0.342 inches minimum and 0.343 inches maximum first shoulder

Shoulder Length

0.912 inches minimum and 0.932 inches maximum first shoulder

Internal Drive Style

high-torque

Nominal Thread Diameter

0.312 inches

Thread Quantity Per Inch

24

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 40.0 rockwell c maximum overall

Countersink Angle

100.0 degrees nominal

Shoulder Shape

round first shoulder

Material

steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,type 2,class 2 fed spec single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas1605 professional/industrial association standard

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Source of Supply Code

S9I

Pseudo Item Name Code

0022846

Related Hardware Products

Part Number Description
NAS1605T17 Shoulder Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-623-1190?
The FSCG of the NSN 5305-00-623-1190 is 5305
Does the NSN 5305-00-623-1190 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-623-1190 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 5305-00-623-1190 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-623-1190 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 5305-00-623-1190 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sat, Mar 1, 1975