CA2194-3-12

View detailed technical data, stock status, and sourcing information for: CA2194-3-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-190-0249

Item Name Code

29294

Assigment Date

09/23/1984 (41 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

oval countersunk head style, 0.425 inches minimum and 0.465 inches maximum thread length, 1.185 inches minimum and 1.205 inches maximum fastener length, 3a thread class, right-hand thread direction

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: 0.425 inches minimum and 0.465 inches maximum
Fastener Length: 1.185 inches minimum and 1.205 inches maximum
Head Style: oval countersunk
Head Diameter: 0.264 inches minimum and 0.303 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.740 inches minimum and 0.760 inches maximum
Width Across Flats: 0.1253 inches minimum and 0.1270 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: 3 keyways 120 degreesapart.thd. end drilled countersunk and reamed for plug
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 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
CA2194-3-12	Close Tolerance Screw
FIT01-0003-3012	Close Tolerance Screw
LE111-0003	Close Tolerance Screw
LE111-0003-3012	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-190-0249?

The FSCG of the NSN 5305-01-190-0249 is 5305

Does the NSN 5305-01-190-0249 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-190-0249 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 5305-01-190-0249 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-190-0249 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 5305-01-190-0249 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Sep 23, 1984