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ST3M496-3-8

View detailed technical data, stock status, and sourcing information for: ST3M496-3-8

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ST3M496-3-8
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-050-4310
Item Name Code
22846
Assigment Date
11/07/1977 (48 years ago)

An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).

0.306 inches minimum and 0.356 inches maximum thread length, flat countersunk head style, 0.816 inches minimum and 0.846 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
0.306 inches minimum and 0.356 inches maximum
Fastener Length
0.816 inches minimum and 0.846 inches maximum
Head Style
flat countersunk
Head Diameter
0.338 inches minimum and 0.381 inches maximum
Shoulder Diameter
0.2021 inches minimum and 0.2026 inches maximum first shoulder
Shoulder Length
0.417 inches minimum and 0.437 inches maximum first shoulder
Internal Drive Style
high-torque
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape
round first shoulder
Special Features
socket drive recess in thread end 0.0791 in. min and 0.0806 in. max width across flats
Material
steel comp xm-13 overall
Material Document And Classification
ams5629 assn std single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Thread Series Designator
unjf

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
HT4008-3-8 Shoulder Screw
ST3M496-3-8 Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-050-4310?
The FSCG of the NSN 5305-01-050-4310 is 5305
Does the NSN 5305-01-050-4310 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-050-4310 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 5305-01-050-4310 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-050-4310 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 5305-01-050-4310 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, Nov 7, 1977

Professional Distribution

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