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SMC414053

View detailed technical data, stock status, and sourcing information for: SMC414053

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SMC414053
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-138-0331
Item Name Code
01852
Assigment Date
07/23/1971 (55 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

0.214 inches minimum and 0.255 inches maximum thread length, right-hand thread direction, 0.344 inches minimum and 0.375 inches maximum fastener length, pan no. 2 head style, 2a 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
2a
Thread Direction
right-hand
Thread Length
0.214 inches minimum and 0.255 inches maximum
Fastener Length
0.344 inches minimum and 0.375 inches maximum
Head Style
pan no. 2
Head Diameter
0.205 inches minimum and 0.219 inches maximum
Head Height
0.058 inches minimum and 0.068 inches maximum
First Diameter From Head
0.070 inches minimum and 0.080 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.120 inches minimum and 0.130 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.112 inches
Thread Quantity Per Inch
40
Externally Relieved Body Diameter Quantity
1
Material
steel overall
Material Document And Classification
astm a108 assn std single material response or qq-s-637 fed spec single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,type 2,class 2 assn std 1st 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
5305001380331 Externally Relieved Body Screw
SMC413531-5 Externally Relieved Body Screw
SMC414053 Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-138-0331?
The FSCG of the NSN 5305-00-138-0331 is 5305
Does the NSN 5305-00-138-0331 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-138-0331 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 5305-00-138-0331 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-138-0331 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 5305-00-138-0331 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Jul 23, 1971

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