H186-6-9

View detailed technical data, stock status, and sourcing information for: H186-6-9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-054-5423

Item Name Code

29294

Assigment Date

01/21/1978 (48 years ago)

right-hand thread direction, 1.221 inches nominal fastener length, flat countersunk head style, 0.644 inches minimum and 0.674 inches maximum thread 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: 0.644 inches minimum and 0.674 inches maximum
Fastener Length: 1.221 inches nominal
Head Style: flat countersunk
Head Diameter: 0.717 inches minimum and 0.760 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 49.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Material: steel overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas 672 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
121711-6-9	Close Tolerance Screw
AIC986-6-9	Close Tolerance Screw
C7986-6-9	Close Tolerance Screw
H186-6-9	Close Tolerance Screw
PBF1196-6-9	Close Tolerance Screw
VT1695-6-9	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-054-5423?

The FSCG of the NSN 5305-01-054-5423 is 5305

Does the NSN 5305-01-054-5423 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-054-5423 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 5305-01-054-5423 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-054-5423 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 5305-01-054-5423 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Jan 21, 1978