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5305-01-392-6432

Find complete technical information, availability, and procurement data for: 5305-01-392-6432

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5305-01-392-6432
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-392-6432
Item Name Code
06657
Assigment Date
07/04/1994 (32 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, flat countersunk head style, 2a thread class, 0.172 inches maximum head diameter, 0.344 inches minimum and 0.375 inches maximum 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
Fastener Length
0.344 inches minimum and 0.375 inches maximum
Head Style
flat countersunk
Head Diameter
0.172 inches maximum
Locking Feature
patch
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.086 inches
Features Provided
o ring
Thread Quantity Per Inch
56
Minimum Tensile Strength
75000 pounds per square inch
Countersink Angle
81.0 degrees minimum and 83.0 degrees maximum
Screw Material
steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7
Locking Feature Material
plastic polyamide (nylon)
Screw Material Document And Classification
qq-s-763 fed spec all material responses or astm a493 assn std all material responses
Screw Surface Treatment
passivate
Screw Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response
Special Features
o ring matl.: composition a per mil-s-82496
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
330692-004 Machine Screw
SFR2-56X3/8-2701-82DEG-L Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-392-6432?
The FSCG of the NSN 5305-01-392-6432 is 5305
Does the NSN 5305-01-392-6432 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-392-6432 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 5305-01-392-6432 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-392-6432 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 5305-01-392-6432 was assigned to the Federal Catalog?
It was assigned 32 years ago, on Mon, Jul 4, 1994

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