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5305-01-727-5281

Find complete technical information, availability, and procurement data for: 5305-01-727-5281

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5305-01-727-5281
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-727-5281
Item Name Code
18257
Assigment Date
03/07/2025 (1 year ago)

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes:items having a sleeve on on its under portion which can be clinched or crimped. Excludes:bushing,machine thread; nut,plain,knurled; nut,plain,round; nut,plain,clinch and nut,self-locking,clinch. See also nut,plain,plate

2.750 inches nominal fastener length, right-hand thread direction, 1.750 inches nominal thread length, hexagon head style, 2a 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
2a
Thread Direction
right-hand
Thread Length
1.750 inches nominal
Fastener Length
2.750 inches nominal
Head Style
hexagon
Head Height
0.455 inches minimum and 0.483 inches maximum
Width Between Flats
1.100 inches minimum and 1.125 inches maximum
End Item Identification
2350-017084509
Nominal Thread Diameter
0.750 inches
Thread Quantity Per Inch
10
Part Name Assigned By Controlling Agency
screws, cap, hex (finished hex bolt)
Material
steel overall
Material Document And Classification
astm a354, grade bd american society for testing and materials (astm) single material response overall
Surface Treatment
zinc overall
Surface Treatment Document And Classification
astm b633, type vi, sc 2 national std/spec single treatment response overall
Thread Series Designator
unc
Specification/Standard Data
05047-asme b18.24-2023 professional/industrial association standard

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
AES01C750B75AW9MF1 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-727-5281?
The FSCG of the NSN 5305-01-727-5281 is 5305
Does the NSN 5305-01-727-5281 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-727-5281 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 5305-01-727-5281 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-727-5281 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 5305-01-727-5281 was assigned to the Federal Catalog?
It was assigned 1 year ago, on Fri, Mar 7, 2025

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