5305-01-275-1188

Find complete technical information, availability, and procurement data for: 5305-01-275-1188
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-275-1188

Item Name Code

33044

Assigment Date

03/17/1988 (38 years ago)

A nut formed from sheet spring material, usually steel, into varying flat, concave, bent or curved designs, having apertures with suitable boss or bosses usually on the upper side capable of securely gripping a mating threaded member. Excludes:nut (1), stamped.

right-hand thread direction, 0.525 inches minimum and 0.545 inches maximum fastener length, 0.203 inches nominal thread length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.203 inches nominal
Fastener Length: 0.525 inches minimum and 0.545 inches maximum
Head Style: flat countersunk
Head Diameter: 0.317 inches maximum
Internal Drive Style: cross recess type 1
Material Accommodated Thickness: 0.075 inches minimum and 0.089 inches maximum
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: iron alloy 660 fastener
Material: steel comp 304 stand-off
Material Document And Classification: ams5732 assn std single material response or ams5737 assn std single material response fastener
Material Document And Classification: mil-s-23195 mil spec single material response stand-off
Surface Treatment: passivate fastener
Surface Treatment: passivate stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response stand-off
Thread Series Designator: unc

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
DPYS7900P-6-A-3	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-275-1188?

The FSCG of the NSN 5305-01-275-1188 is 5305

Does the NSN 5305-01-275-1188 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-275-1188 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 5305-01-275-1188 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-275-1188 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 5305-01-275-1188 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Mar 17, 1988