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5305-01-723-2786

Find complete technical information, availability, and procurement data for: 5305-01-723-2786

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5305-01-723-2786
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-723-2786
Item Name Code
18257
Assigment Date
08/30/2024 (1 year ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

3.500 inches nominal fastener length, 1.250 inches nominal thread length, hexagon head style, 2a thread class, 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
1.250 inches nominal
Fastener Length
3.500 inches nominal
Head Style
hexagon
Head Height
0.302 inches minimum and 0.323 inches maximum
Width Between Flats
0.736 inches minimum and 0.750 inches maximum
Locking Feature
patch or pellet locking feature
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
13
Part Name Assigned By Controlling Agency
hex cap screw
Material
steel fastener
Material Document And Classification
astm a 354, grade 8 or bd american society for testing and materials (astm) single material response fastener
Thread Series Designator
unc
Specification/Standard Data
81349-mil-dtl-1222j government specification

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
180-7065834-122 Hexagon Head Cap Screw
67-03-4350A Hexagon Head Cap Screw
7065834-122 Hexagon Head Cap Screw
H413-8202-122 Hexagon Head Cap Screw
M1222RN8C256GHLN Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-723-2786?
The FSCG of the NSN 5305-01-723-2786 is 5305
Does the NSN 5305-01-723-2786 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-723-2786 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 5305-01-723-2786 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-723-2786 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 5305-01-723-2786 was assigned to the Federal Catalog?
It was assigned 1 year ago, on Fri, Aug 30, 2024

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