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5305-00-904-0939

Find complete technical information, availability, and procurement data for: 5305-00-904-0939

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5305-00-904-0939
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-904-0939
Item Name Code
16282
Assigment Date
01/01/1960 (66 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, 0.250 inches nominal fastener length, flat chamfer head style, 0.250 inches maximum thread length, 3a 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
3a
Thread Direction
right-hand
Thread Length
0.250 inches maximum
Fastener Length
0.250 inches nominal
Head Style
flat chamfer
Head Diameter
0.173 inches minimum and 0.183 inches maximum
Head Height
0.112 inches maximum
Spline Minor Diameter
0.098 inches nominal
Spline Major Diameter
0.115 inches nominal
Spline Width
0.024 inches nominal
Internal Drive Style
six spline
Nominal Thread Diameter
0.112 inches
Thread Quantity Per Inch
40
Hardness Rating
70.0 rockwell b minimum and 90.0 rockwell b maximum overall
Material
steel corrosion resisting 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
33AF1221-04-04 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-904-0939?
The FSCG of the NSN 5305-00-904-0939 is 5305
Does the NSN 5305-00-904-0939 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-904-0939 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 5305-00-904-0939 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-904-0939 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 5305-00-904-0939 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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