156013

View detailed technical data, stock status, and sourcing information for: 156013

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156013
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-721-4617
Item Name Code
06657
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, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

2a thread class, flat chamfer head style, 0.188 inches minimum thread length, right-hand thread direction, 0.500 inches nominal 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
2a
Thread Direction
right-hand
Thread Length
0.188 inches minimum
Fastener Length
0.500 inches nominal
Head Style
flat chamfer
Head Diameter
0.187 inches nominal
Head Height
0.238 inches nominal
Internal Drive Style
slot
Nominal Thread Diameter
0.112 inches
Thread Quantity Per Inch
40
Screw Material
steel
Special Features
0.010 in. lgchamfer of head
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5815-00-652-1564 No Name Available 01/01/1960

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
156013 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-721-4617?
The FSCG of the NSN 5305-00-721-4617 is 5305
Does the NSN 5305-00-721-4617 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-721-4617 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 5305-00-721-4617 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-721-4617 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 5305-00-721-4617 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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