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5305-00-505-4055

Find complete technical information, availability, and procurement data for: 5305-00-505-4055

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5305-00-505-4055
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-505-4055
Item Name Code
06657
Assigment Date
07/20/1974 (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.

2a thread class, right-hand thread direction, 0.344 inches minimum and 0.375 inches maximum fastener length, 0.245 inches minimum and 0.375 inches maximum thread length, flat countersunk 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
2a
Thread Direction
right-hand
Thread Length
0.245 inches minimum and 0.375 inches maximum
Fastener Length
0.344 inches minimum and 0.375 inches maximum
Head Style
flat countersunk
Head Diameter
0.191 inches minimum and 0.225 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.112 inches
Thread Quantity Per Inch
40
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
plastic polyhexamethylene amide
Screw Material Document And Classification
mil-m-20693,comp a,ty 1 mil spec single material response
Thread Series Designator
unc
Nondefinitive Spec/Std Data
1 type and 3s style

Related Parts

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Part Number Name
MS18211-31C Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-505-4055?
The FSCG of the NSN 5305-00-505-4055 is 5305
Does the NSN 5305-00-505-4055 have a Schedule B code assigned?
Yes, the Schedule B code is 3926909987
Does NSN 5305-00-505-4055 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 5305-00-505-4055 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-505-4055 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 5305-00-505-4055 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sat, Jul 20, 1974

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