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5305-01-173-3561

Find complete technical information, availability, and procurement data for: 5305-01-173-3561

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5305-01-173-3561
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-173-3561
Item Name Code
18257
Assigment Date
03/05/1984 (42 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

5.406 inches minimum and 5.500 inches maximum fastener length, 2a thread class, hexagon head style, right-hand thread direction, 1.250 inches minimum and 1.438 inches maximum 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
2a
Thread Direction
right-hand
Thread Length
1.250 inches minimum and 1.438 inches maximum
Fastener Length
5.406 inches minimum and 5.500 inches maximum
Head Style
hexagon
Head Height
0.302 inches minimum and 0.323 inches maximum
Width Between Flats
0.736 inches minimum and 0.750 inches maximum
Hole Diameter
0.094 inches nominal
Nominal Thread Diameter
0.500 inches
Hole Quantity
1
Hole Type
drilled
Thread Quantity Per Inch
20
Minimum Tensile Strength
150000 pounds per square inch
Hardness Rating
32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Minimum Yield Strength
120000 pounds per square inch
Hole Configuration Style
hexagon flats
Material
steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator
unf
Nondefinitive Spec/Std Data
2 type or 10p style or 8 grade

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
B1821BH050F500D Hexagon Head Cap Screw
MS18153-128 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-173-3561?
The FSCG of the NSN 5305-01-173-3561 is 5305
Does the NSN 5305-01-173-3561 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-173-3561 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 5305-01-173-3561 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-173-3561 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 5305-01-173-3561 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Mon, Mar 5, 1984

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