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5305-01-440-4073

Find complete technical information, availability, and procurement data for: 5305-01-440-4073

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5305-01-440-4073
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-440-4073
Item Name Code
18257
Assigment Date
01/13/1997 (29 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.

right-hand thread direction, 2a thread class, 3.750 inches nominal fastener length, hexagon head style, 1.750 inches nominal 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
1.750 inches nominal
Fastener Length
3.750 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
Nominal Thread Diameter
0.750 inches
Thread Quantity Per Inch
10
Material
steel overall
Material Document And Classification
saej429,grade 5 assn std single material response overall
Surface Treatment
zinc overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
1 type and 5 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
0.75010UNC2A3.750T1G5SEM Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-440-4073?
The FSCG of the NSN 5305-01-440-4073 is 5305
Does the NSN 5305-01-440-4073 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-440-4073 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 5305-01-440-4073 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-440-4073 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 5305-01-440-4073 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Mon, Jan 13, 1997

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