5305-01-275-1181

Find complete technical information, availability, and procurement data for: 5305-01-275-1181
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-275-1181

Item Name Code

16282

Assigment Date

03/17/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

flat countersunk head style, 0.281 inches minimum and 0.312 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.186 inches minimum and 0.267 inches maximum thread length

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: 0.186 inches minimum and 0.267 inches maximum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: flat countersunk
Head Diameter: 0.213 inches minimum and 0.225 inches maximum
Locking Feature: strip or pellet threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 10.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 fastener
Material: plastic locking feature
Material Document And Classification: ams 5737 assn std single material response fastener
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
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
NAS1189E04P5K	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-275-1181?

The FSCG of the NSN 5305-01-275-1181 is 5305

Does the NSN 5305-01-275-1181 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-275-1181 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 5305-01-275-1181 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-275-1181 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 5305-01-275-1181 was assigned to the Federal Catalog?

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