5305-01-726-1880

Find complete technical information, availability, and procurement data for: 5305-01-726-1880
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-726-1880

Item Name Code

16282

Assigment Date

02/05/2025 (1 year ago)

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes:baroswitch; switch,pressure-thermostatic; and switch,sensitive.

0.188 inches nominal thread length, right-hand thread direction, 0.188 inches nominal fastener length, 3a thread class, 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: 3a
Thread Direction: right-hand
Thread Length: 0.188 inches nominal
Fastener Length: 0.188 inches nominal
Head Style: flat countersunk
Head Diameter: 0.213 inches minimum and 0.225 inches maximum
Head Height: 0.45 inches nominal
Locking Feature: strip overall
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.1120 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: screw, self locking, flat 100 deg. head, cruciform and offset cruciform recess, full thread
Material: iron alloy 660 overall
Material Document And Classification: ams5731,ams5732,ams5737,or ams 5853 aerospace material spec std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ams2700method 1 class 4 national std/spec single treatment response overall
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1189 professional/industrial association standard

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
NAS1189E04T3L	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-726-1880?

The FSCG of the NSN 5305-01-726-1880 is 5305

Does the NSN 5305-01-726-1880 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-726-1880 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 5305-01-726-1880 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-726-1880 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 5305-01-726-1880 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Wed, Feb 5, 2025