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5305-00-921-0017

Find complete technical information, availability, and procurement data for: 5305-00-921-0017

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5305-00-921-0017
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-921-0017
Item Name Code
16282
Assigment Date
12/17/1965 (60 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, flat countersunk head style, 0.547 inches nominal fastener length, 3a thread class, 0.547 inches maximum 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
0.547 inches maximum
Fastener Length
0.547 inches nominal
Head Style
flat countersunk
Head Diameter
0.249 inches minimum and 0.259 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.138 inches
Width Across Flats
0.062 inches minimum and 0.063 inches maximum
Thread Quantity Per Inch
32
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle
100.0 degrees nominal
Material
steel comp 8740 overall
Material Document And Classification
ams 6322 assn std single material response overall
Surface Treatment
cadmium and chromate 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
57850C4 Socket Head Cap Screw
S8374C632-33 Socket Head Cap Screw
VS2579-3C Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-921-0017?
The FSCG of the NSN 5305-00-921-0017 is 5305
Does the NSN 5305-00-921-0017 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-921-0017 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 5305-00-921-0017 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-921-0017 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 5305-00-921-0017 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Dec 17, 1965

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