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120978-6-11

View detailed technical data, stock status, and sourcing information for: 120978-6-11

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120978-6-11
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-276-7475
Item Name Code
15903
Assigment Date
04/13/1988 (38 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

spline drive shear head head style, 3a thread class, 0.439 inches minimum and 0.479 inches maximum thread length, right-hand thread direction, 1.127 inches minimum and 1.157 inches maximum fastener length

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
0.439 inches minimum and 0.479 inches maximum
Fastener Length
1.127 inches minimum and 1.157 inches maximum
Head Style
spline drive shear head
Head Height
0.210 inches nominal
Grip Diameter
0.3733 inches minimum and 0.3742 inches maximum
Head Minor Diameter
0.668 inches minimum and 0.679 inches maximum
Nominal Thread Diameter
0.375 inches
Grip Length
0.678 inches minimum and 0.698 inches maximum
Thread Quantity Per Inch
24
Minimum Tensile Strength
220000 pounds per square inch
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
steel comp h11 overall
Material Document And Classification
ams 6487 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 ty 2 fed spec single treatment response overall
Thread Series Designator
unjf

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
120978-6-11 Shear Bolt
AIC596-6-11 Shear Bolt
C7521-6-11 Shear Bolt
PBF7521-6-11 Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-276-7475?
The FSCG of the NSN 5306-01-276-7475 is 5306
Does the NSN 5306-01-276-7475 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-276-7475 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 5306-01-276-7475 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-276-7475 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 5306-01-276-7475 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Wed, Apr 13, 1988

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