99-2169

View detailed technical data, stock status, and sourcing information for: 99-2169

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99-2169
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-051-9992
Item Name Code
01852
Assigment Date
01/01/1961 (65 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.

fillister head style, 0.049 inches minimum thread length, 0.464 inches nominal fastener length, right-hand thread direction, 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
0.049 inches minimum
Fastener Length
0.464 inches nominal
Head Style
fillister
Head Diameter
0.375 inches nominal
Head Height
0.093 inches nominal
Hole Diameter
0.031 inches nominal
First Diameter From Head
0.135 inches nominal
Second Diameter From Head
0.083 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.297 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.415 inches nominal
Internal Drive Style
slot
Nominal Thread Diameter
0.138 inches
Hole Quantity
1
Hole Type
drilled
Thread Quantity Per Inch
32
Hardness Rating
30.0 rockwell c minimum and 35.0 rockwell c maximum overall
Hole Configuration Style
round longitudinal hole
Externally Relieved Body Diameter Quantity
2
Material
steel comp 4037h overall
Surface Treatment
cadmium 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
99-2169 Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-051-9992?
The FSCG of the NSN 5305-00-051-9992 is 5305
Does the NSN 5305-00-051-9992 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-051-9992 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 5305-00-051-9992 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-051-9992 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 5305-00-051-9992 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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