FT-1255-HS-4-3-P

View detailed technical data, stock status, and sourcing information for: FT-1255-HS-4-3-P
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-352-2191

Item Name Code

33044

Assigment Date

01/23/1992 (34 years ago)

A nut having wings designed for manual turning without driver or wrench.

right-hand thread direction, flat chamfer head style, 3a thread class, 0.542 inches minimum and 0.582 inches maximum fastener length, 0.250 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: 0.250 inches nominal
Fastener Length: 0.542 inches minimum and 0.582 inches maximum
Head Style: flat chamfer
Head Diameter: 0.160 inches minimum and 0.200 inches maximum
Head Height: 0.169 inches maximum
Internal Drive Style: hexagon
Material Accommodated Thickness: 0.106 inches minimum and 0.116 inches maximum
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.094 inches nominal
Thread Quantity Per Inch: 40
Material: aluminum alloy 7075 stand-offsteel comp 303 plus x or steel comp 303 or steel comp 303se fastener
Material Document And Classification: qq-a-225/9 fed spec single material response stand-off
Surface Treatment: anodize stand-offcadmium and chromate fastener
Surface Treatment Document And Classification: mil-a-8625 ty1 cl2 mil spec single treatment response stand-offqq-p-416 ty2 cl2 fed spec single treatment response fastener
Thread Series Designator: unc

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
334057P01	Panel Screw Assembly
FT-1255-HS-4-3-P	Panel Screw Assembly
FT1255HS-4-3-9	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-352-2191?

The FSCG of the NSN 5305-01-352-2191 is 5305

Does the NSN 5305-01-352-2191 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-352-2191 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 5305-01-352-2191 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-352-2191 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 5305-01-352-2191 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Thu, Jan 23, 1992