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5305-00-170-1557

Find complete technical information, availability, and procurement data for: 5305-00-170-1557

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5305-00-170-1557
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-170-1557
Item Name Code
06657
Assigment Date
02/11/1973 (53 years ago)

A nut formed from sheet spring material, usually steel, into varying flat, concave, bent or curved designs, having apertures with suitable boss or bosses usually on the upper side capable of securely gripping a mating threaded member. Excludes:nut (1), stamped.

2a thread class, 0.550 inches minimum and 0.570 inches maximum fastener length, fillister head style, right-hand thread direction, 0.280 inches minimum and 0.300 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
0.280 inches minimum and 0.300 inches maximum
Fastener Length
0.550 inches minimum and 0.570 inches maximum
Head Style
fillister
Head Diameter
0.187 inches minimum and 0.205 inches maximum
Head Height
0.100 inches minimum and 0.120 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.125 inches
Thread Quantity Per Inch
40
Screw Material
steel comp 305
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
1951-2S Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-170-1557?
The FSCG of the NSN 5305-00-170-1557 is 5305
Does the NSN 5305-00-170-1557 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-170-1557 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 5305-00-170-1557 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-170-1557 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 5305-00-170-1557 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Feb 11, 1973

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