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5305-01-072-4705

Find complete technical information, availability, and procurement data for: 5305-01-072-4705

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5305-01-072-4705
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-072-4705
Item Name Code
22846
Assigment Date
03/01/1979 (47 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.

0.371 inches minimum and 0.438 inches maximum thread length, fillister countersunk head style, 1.131 inches minimum and 1.178 inches maximum fastener length, 3a thread class, right-hand thread direction

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
0.371 inches minimum and 0.438 inches maximum
Fastener Length
1.131 inches minimum and 1.178 inches maximum
Head Style
fillister countersunk
Head Diameter
0.390 inches minimum and 0.395 inches maximum
Head Height
0.015 inches maximum
Shoulder Diameter
0.264 inches minimum and 0.265 inches maximum first shoulder
Shoulder Length
0.696 inches nominal first shoulder
Internal Drive Style
high-torque
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
28
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape
round first shoulder
Special Features
socket drive recess in thread end,0.095 in. nom. width across flats
Material
steel corrosion resisting overall
Material Document And Classification
23-112,fscm 76301 mfr ref single material response overall
Thread Series Designator
unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-01-076-4934 No Name Available 06/01/1994

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
11911-4-12-1 Shoulder Screw
HT4010-4-12 Shoulder Screw
HT4016-4-12X Shoulder Screw
ST3M495-4-12-1 Shoulder Screw
WC4010-4-12 Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-072-4705?
The FSCG of the NSN 5305-01-072-4705 is 5305
Does the NSN 5305-01-072-4705 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-072-4705 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 5305-01-072-4705 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-072-4705 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 5305-01-072-4705 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Thu, Mar 1, 1979

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