ST2137-04

View detailed technical data, stock status, and sourcing information for: ST2137-04
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-320-0607

Item Name Code

04905

Assigment Date

05/18/1990 (36 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

round w/wrench flats chamfered head style, 0.840 inches minimum and 0.860 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.747 inches nominal thread 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: 0.747 inches nominal
Fastener Length: 0.840 inches minimum and 0.860 inches maximum
Head Style: round w/wrench flats chamfered
Head Diameter: 0.730 inches minimum and 0.770 inches maximum
Head Height: 0.060 inches minimum and 0.070 inches maximum
Width Between Flats: 0.310 inches minimum and 0.330 inches maximum
Shoulder Diameter: 0.248 inches minimum and 0.250 inches maximum first shoulder
Shoulder Length: 0.050 inches minimum and 0.070 inches maximum first shoulder
Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
End Item Identification: f100pw0229 engine/aug mod
Nominal Thread Diameter: 0.190 inches
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 32
Hole Configuration Style: round perpendicular
Shoulder Shape: round first shoulder
Special Features: head is beveled along bottom only
Material: titanium alloy overall
Material Document And Classification: ams 7460 assn std single material 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
5306PL0894778	Shoulder Bolt
ST2137-04	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-320-0607?

The FSCG of the NSN 5306-01-320-0607 is 5306

Does the NSN 5306-01-320-0607 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5306-01-320-0607 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 5306-01-320-0607 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-320-0607 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 5306-01-320-0607 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, May 18, 1990