537908

View detailed technical data, stock status, and sourcing information for: 537908

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537908
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-942-5318
Item Name Code
06657
Assigment Date
12/23/1965 (60 years ago)

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. It may include a timer function. Includes membrane switch. Excludes: switch,flexible; switch,pressure; and switch,thermostatic.

right-hand thread direction, 0.454 inches minimum thread length, flat countersunk head style, 0.570 inches nominal fastener length, 3a thread class

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
0.454 inches minimum
Fastener Length
0.570 inches nominal
Head Style
flat countersunk
Head Diameter
0.320 inches minimum and 0.330 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
iron alloy 660
Screw Material Document And Classification
ams 5735 assn std single material response
Screw Surface Treatment
passivate
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
537908 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-942-5318?
The FSCG of the NSN 5305-00-942-5318 is 5305
Does the NSN 5305-00-942-5318 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-942-5318 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 5305-00-942-5318 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-942-5318 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 5305-00-942-5318 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Thu, Dec 23, 1965

Professional Distribution

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