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209-076-345-1

View detailed technical data, stock status, and sourcing information for: 209-076-345-1

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209-076-345-1
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-408-5803
Item Name Code
04905
Assigment Date
07/20/1970 (56 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

right-hand thread direction, 0.303 inches minimum and 0.343 inches maximum thread length, 1.810 inches minimum and 1.840 inches maximum fastener length, hexagon head style, 3a thread class

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
0.303 inches minimum and 0.343 inches maximum
Fastener Length
1.810 inches minimum and 1.840 inches maximum
Head Style
hexagon
Head Height
0.188 inches nominal
Width Between Flats
0.314 inches nominal
Shoulder Diameter
0.397 inches minimum and 0.399 inches maximum second shoulder
Shoulder Diameter
0.498 inches minimum and 0.499 inches maximum first shoulder
Shoulder Length
0.438 inches nominal second shoulder
Shoulder Length
0.935 inches minimum and 0.945 inches maximum first shoulder
Shank Unthreaded Hole Diameter
0.106 inches minimum and 0.116 inches maximum first hole
Nominal Thread Diameter
0.375 inches
Thread Quantity Per Inch
24
Minimum Tensile Strength
95000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
1.635 inches minimum and 1.645 inches maximum first hole
Shoulder Shape
round all shoulders
Special Features
63 microinch aa finish on largest dia shoulder
Material
steel comp 4140 or steel comp e4340 or steel comp 4340 overall
Material Document And Classification
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response overall
Thread Series Designator
unf

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
209-076-345-1 Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-408-5803?
The FSCG of the NSN 5306-00-408-5803 is 5306
Does the NSN 5306-00-408-5803 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-408-5803 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 5306-00-408-5803 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-408-5803 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 5306-00-408-5803 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Mon, Jul 20, 1970

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