AL6955-428-1 1/2-12

View detailed technical data, stock status, and sourcing information for: AL6955-428-1 1/2-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-420-3013

Item Name Code

40280

Assigment Date

10/13/1995 (30 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.

right-hand right internal thread direction, 0.500 inches nominal right internal thread length, 2b right internal thread class, right-hand left internal (includes thru thread) thread direction, 2b left internal (includes thru thread) 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: 2b left internal (includes thru thread)
Thread Class: 2b right internal
Thread Direction: right-hand right internal
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.500 inches nominal right internal
Thread Length: 0.500 inches nominal left internal (includes thru thread)
Length: 1.495 inches minimum and 1.505 inches maximum
Cross-Sectional Shape: hexagon
Width Across Flats: 0.495 inches minimum and 0.505 inches maximum
Thread Quantity Per Inch: 28 right internal
Thread Quantity Per Inch: 28 left internal (includes thru thread)
Nominal Thread Size: 0.250 inches left internal (includes thru thread)
Nominal Thread Size: 0.250 inches right internal
Material: aluminum alloy 2017 or aluminum alloy 2011 overall
Material Document And Classification: qq-a-225/5 t4 fed spec 1st material response or qq-a-225/3 t3 fed spec 2nd material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 ty 2 cl 1 mil spec single treatment response overall
Style Designator: left internal and right internal threads
Thread Series Designator: unf left internal (includes thru thread)
Thread Series Designator: unf right internal

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
1581-H-A-1.500-3	Spacing Threaded Standoff
210-1004P56	Spacing Threaded Standoff
8764-A-1/4-28-1B	Spacing Threaded Standoff
AL6955-428-1 1/2-12	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-420-3013?

The FSCG of the NSN 5340-01-420-3013 is 5340

Does NSN 5340-01-420-3013 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 5340-01-420-3013 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-420-3013 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-420-3013 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Oct 13, 1995