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5305-01-159-1289

Find complete technical information, availability, and procurement data for: 5305-01-159-1289

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5305-01-159-1289
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-159-1289
Item Name Code
18257
Assigment Date
08/03/1983 (42 years ago)

hexagon extended washer head style, right-hand thread direction, 1.250 inches nominal thread length, 2a thread class, 4.500 inches nominal fastener 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 nominal
Fastener Length
4.500 inches nominal
Head Style
hexagon extended washer
Head Height
0.510 inches nominal
Width Between Flats
0.750 inches nominal
Extended Washer Diameter
1.070 inches nominal
Extended Washer Thickness
0.080 inches nominal
End Item Identification
hemtt family (heavy expanded mobility tactical trucks);2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system)
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
13
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
phosphate overall
Surface Treatment Document And Classification
dod-p-16232 mil spec single treatment response overall
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
1340510 Hexagon Head Cap Screw
WE0638TB Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-159-1289?
The FSCG of the NSN 5305-01-159-1289 is 5305
Does the NSN 5305-01-159-1289 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-159-1289 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 5305-01-159-1289 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-159-1289 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 5305-01-159-1289 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Wed, Aug 3, 1983

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