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5305-01-591-7552

Find complete technical information, availability, and procurement data for: 5305-01-591-7552

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5305-01-591-7552
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-591-7552
Item Name Code
18257
Assigment Date
02/08/2011 (15 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

2a thread class, right-hand thread direction, 1.250 inches nominal thread length, hexagon head style, 2.000 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
2.000 inches nominal
Head Style
hexagon
Head Height
0.302 inches minimum and 0.323 inches maximum
Width Between Flats
0.850 inches minimum and 0.875 inches maximum
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
13
Part Name Assigned By Controlling Agency
screw cap hex head heavy
Special Features
material is chromium-molybdenum, grade b7
Material
steel 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
J2295A193C2H08-N32B7 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-591-7552?
The FSCG of the NSN 5305-01-591-7552 is 5305
Does the NSN 5305-01-591-7552 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-591-7552 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 5305-01-591-7552 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-591-7552 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 5305-01-591-7552 was assigned to the Federal Catalog?
It was assigned 15 years ago, on Tue, Feb 8, 2011

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