B3110-1

View detailed technical data, stock status, and sourcing information for: B3110-1

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B3110-1
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-830-2997
Item Name Code
22846
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.390 inches minimum and 0.422 inches maximum fastener length, right-hand thread direction, 0.133 inches minimum and 0.195 inches maximum thread length, 2a thread class, flat countersunk head style

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
0.133 inches minimum and 0.195 inches maximum
Fastener Length
0.390 inches minimum and 0.422 inches maximum
Head Style
flat countersunk
Head Diameter
0.223 inches nominal
Shoulder Diameter
0.141 inches minimum and 0.143 inches maximum first shoulder
Shoulder Length
0.125 inches minimum and 0.135 inches maximum first shoulder
Internal Drive Style
slot
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Hardness Rating
33.0 rockwell c nominal overall
Countersink Angle
100.0 degrees nominal
Shoulder Shape
round first shoulder
Special Features
top of head painted olive drab
Material
steel comp 4037 overall
Surface Treatment
cadmium overall
Surface Treatment
paint head
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator
unc

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
B3110-1 Shoulder Screw
S100J06-1 Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-830-2997?
The FSCG of the NSN 5305-00-830-2997 is 5305
Does the NSN 5305-00-830-2997 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-830-2997 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 5305-00-830-2997 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-830-2997 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 5305-00-830-2997 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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