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5305-00-182-9581

Find complete technical information, availability, and procurement data for: 5305-00-182-9581

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5305-00-182-9581
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-182-9581
Item Name Code
18257
Assigment Date
05/08/1970 (56 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

2.562 inches minimum thread length, 2a thread class, hexagon head style, 5.312 inches minimum and 5.500 inches maximum fastener length, right-hand thread direction

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
2.562 inches minimum
Fastener Length
5.312 inches minimum and 5.500 inches maximum
Head Style
hexagon
Head Height
0.591 inches minimum and 0.627 inches maximum
Width Between Flats
1.469 inches minimum and 1.500 inches maximum
Hole Diameter
0.125 inches nominal
Nominal Thread Diameter
1.000 inches
Hole Quantity
1
Hole Type
drilled
Thread Quantity Per Inch
8
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Hole Configuration Style
hexagon flats
Surface Finish
63.0 microinches threads
Material
steel overall
Material Document And Classification
sae gr 5 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
q-p-416,ty 2,cl 3 fed spec 13th treatment response overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
2 type and 10p style and 5 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-619-5472 No Name Available 09/07/2022

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
MS51095-522 Hexagon Head Cap Screw
MS90725-243 Hexagon Head Cap Screw
WG105956 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-182-9581?
The FSCG of the NSN 5305-00-182-9581 is 5305
Does the NSN 5305-00-182-9581 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-182-9581 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 5305-00-182-9581 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-182-9581 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 5305-00-182-9581 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, May 8, 1970

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