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5305-01-423-4732

Find complete technical information, availability, and procurement data for: 5305-01-423-4732

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5305-01-423-4732
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-423-4732
Item Name Code
18257
Assigment Date
12/28/1995 (30 years 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.

right-hand thread direction, 2a thread class, hexagon head style, 2.156 inches minimum and 2.250 inches maximum fastener length, 1.750 inches minimum and 2.000 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
1.750 inches minimum and 2.000 inches maximum
Fastener Length
2.156 inches minimum and 2.250 inches maximum
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
Special Features
cres comp 316 only
Material
steel comp 316 overall
Material Document And Classification
ff-s-85 fed spec single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
ff-s85 fed spec single treatment response overall
Thread Series Designator
unc
Departure From Cited Document
as modified by material

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
MS35307-488 CRE S 316 ONLY Hexagon Head Cap Screw
MS35307-488S316 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-423-4732?
The FSCG of the NSN 5305-01-423-4732 is 5305
Does the NSN 5305-01-423-4732 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-423-4732 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 5305-01-423-4732 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-423-4732 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 5305-01-423-4732 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Thu, Dec 28, 1995

Professional Distribution

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