2-56-3AX11/16 HEX SOCKET HD CRES

View detailed technical data, stock status, and sourcing information for: 2-56-3AX11/16 HEX SOCKET HD CRES
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 2-56-3AX11/16 HEX SOCKET HD CRES to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-219-9602

Item Name Code

16282

Assigment Date

11/05/1985 (40 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.685 inches nominal fastener length, 3a thread class, right-hand thread direction, knurled no. 1 head style, 0.685 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: 0.685 inches nominal
Fastener Length: 0.685 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.134 inches minimum and 0.140 inches maximum
Head Height: 0.083 inches minimum and 0.086 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.086 inches
Width Across Flats: 0.078 inches minimum and 0.079 inches maximum
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Supplementary Features: fscm 80204-ansi b18-3 table 3 size 2
Thread Series Designator: unc
Specification/Standard Data: 81348-ff-s-86 government specification
Nondefinitive Spec/Std Data: 6 type and 2-56 size and 11/16in. length and 3a class and unc series

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
0.086-3A0.685 HEX SOCKET HD CRES	Socket Head Cap Screw
2-56-3AX11/16 HEX SOCKET HD CRES	Socket Head Cap Screw
2-56UNC-3A0.685CRES	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-219-9602?

The FSCG of the NSN 5305-01-219-9602 is 5305

Does the NSN 5305-01-219-9602 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-219-9602 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 5305-01-219-9602 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-219-9602 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 5305-01-219-9602 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Nov 5, 1985