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5305-00-940-9531

Find complete technical information, availability, and procurement data for: 5305-00-940-9531

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5305-00-940-9531
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-940-9531
Item Name Code
16282
Assigment Date
12/11/1965 (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, 3a thread class, 0.423 inches minimum and 0.453 inches maximum thread length, flat chamfer head style, 0.485 inches minimum and 0.515 inches maximum fastener 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
0.423 inches minimum and 0.453 inches maximum
Fastener Length
0.485 inches minimum and 0.515 inches maximum
Head Style
flat chamfer
Head Diameter
0.218 inches minimum and 0.226 inches maximum
Head Height
0.134 inches minimum and 0.138 inches maximum
Locking Feature
strip threads
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138 inches
Width Across Flats
0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength
130000 pounds per square inch
Material
steel overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-071-2462 No Name Available 05/20/2022
5305-00-450-7960 No Name Available 02/24/1973

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
0740703 Socket Head Cap Screw
LK21262-27 Socket Head Cap Screw
LP22U62J8 Socket Head Cap Screw
MS21262-27 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-940-9531?
The FSCG of the NSN 5305-00-940-9531 is 5305
Does the NSN 5305-00-940-9531 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-940-9531 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 5305-00-940-9531 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-940-9531 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 5305-00-940-9531 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Sat, Dec 11, 1965

Professional Distribution

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