52861-1

View detailed technical data, stock status, and sourcing information for: 52861-1

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52861-1
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-638-1884
Item Name Code
06672
Assigment Date
01/01/1961 (65 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

headless (setscrew) head style, 0.125 inches minimum thread length, 0.125 inches nominal fastener length, 2a thread class, right-hand thread direction

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
0.125 inches minimum
Fastener Length
0.125 inches nominal
Head Style
headless (setscrew)
Point Style
oval
Internal Drive Style
slot
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Hardness Rating
30.0 rockwell c minimum and 37.0 rockwell c maximum overall
Material
copper alloy overall
Surface Treatment
cadmium or zinc overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
2 type and 3 style
Departure From Cited Designator
as mod by thd size

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
116A6684 Setscrew
18099-1 Setscrew
52861-1 Setscrew
62861-1 Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-638-1884?
The FSCG of the NSN 5305-00-638-1884 is 5305
Does the NSN 5305-00-638-1884 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-00-638-1884 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 5305-00-638-1884 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-638-1884 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 5305-00-638-1884 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

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