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5305-00-283-7459

Find complete technical information, availability, and procurement data for: 5305-00-283-7459

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5305-00-283-7459
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-283-7459
Item Name Code
29294
Assigment Date
08/28/1973 (52 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

right-hand thread direction, 3a thread class, 1.078 inches minimum and 1.125 inches maximum fastener length, 0.506 inches minimum and 0.573 inches maximum thread length, flat countersunk undercut head style

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
0.506 inches minimum and 0.573 inches maximum
Fastener Length
1.078 inches minimum and 1.125 inches maximum
Head Style
flat countersunk undercut
Head Diameter
0.629 inches minimum and 0.634 inches maximum
Head Height
0.088 inches minimum and 0.090 inches maximum
Grip Diameter
0.3115 inches minimum and 0.3120 inches maximum
Internal Drive Style
high-torque
Nominal Thread Diameter
0.312 inches
Grip Length
0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch
24
Countersink Angle
99.5 degrees minimum and 100.5 degrees maximum
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Special Features
furnished with one o-ring seal
Material
titanium alloy overall
Material Document And Classification
nas621 comp 6al-4v assn std single material response or ams4928 assn std single material response overall
Thread Series Designator
unjf

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HT271A5-9 Close Tolerance Screw
HT8137-5-9AS Close Tolerance Screw
ST3M430V5-9AS Close Tolerance Screw
WC8137-5-9A Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-283-7459?
The FSCG of the NSN 5305-00-283-7459 is 5305
Does the NSN 5305-00-283-7459 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-00-283-7459 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 5305-00-283-7459 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-283-7459 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 5305-00-283-7459 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Tue, Aug 28, 1973

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