H185-3-17

View detailed technical data, stock status, and sourcing information for: H185-3-17
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-338-4021

Item Name Code

29294

Assigment Date

05/03/1991 (35 years ago)

right-hand thread direction, 1.410 inches minimum and 1.440 inches maximum fastener length, 3a thread class, flat countersunk head style, 0.363 inches nominal 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: 0.363 inches nominal
Fastener Length: 1.410 inches minimum and 1.440 inches maximum
Head Style: flat countersunk
Head Diameter: 0.258 inches minimum and 0.305 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.052 inches minimum and 1.072 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp h11 overall
Material Document And Classification: ams6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas672 assn std 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
121558-3-A17P	Close Tolerance Screw
AIC985-3-17	Close Tolerance Screw
C7985-3-17	Close Tolerance Screw
H185-3-17	Close Tolerance Screw
PBF1166-3-17	Close Tolerance Screw
VT1694F3-17	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-338-4021?

The FSCG of the NSN 5305-01-338-4021 is 5305

Does the NSN 5305-01-338-4021 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-338-4021 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 5305-01-338-4021 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-338-4021 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 5305-01-338-4021 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, May 3, 1991