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5307-00-158-4408

Find complete technical information, availability, and procurement data for: 5307-00-158-4408

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5307-00-158-4408
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5307 Studs
National Stock Number
5307-00-158-4408
Item Name Code
27783
Assigment Date
03/19/1971 (55 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.

0.460 inches nominal nut thread thread length, right-hand nut thread thread direction, 0.078 inches maximum head length, 0.171 inches maximum head diameter, 2a nut thread thread class

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 nut thread
Thread Direction
right-hand nut thread
Thread Length
0.460 inches nominal nut thread
Head Diameter
0.171 inches maximum
Head Length
0.078 inches maximum
Locking Feature
self-clinching head
Overall Length
0.578 inches maximum
Distance Across Flats
0.188 inches nominal
Thread Quantity Per Inch
40 nut thread
Nominal Thread Size
0.112 inches nut thread
Material
steel corrosion resisting
Material Document And Classification
no. 10,fscm 93910 mfr ref single material response
Surface Treatment
passivate overall
Style Designator
self-locking
Thread Series Designator
unc nut thread

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5307-01-060-4292 No Name Available 12/01/1985

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
134BSTKS-16 Self-Locking Stud
CFHC-440-8 Self-Locking Stud
CFHC440-8 Self-Locking Stud
CHC-440-8 Self-Locking Stud
SMB605739 Self-Locking Stud

FAQs

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

What is the FSCG of the NSN 5307-00-158-4408?
The FSCG of the NSN 5307-00-158-4408 is 5307
Does the NSN 5307-00-158-4408 have a Schedule B code assigned?
Yes, the Schedule B code is 7318155000
Does NSN 5307-00-158-4408 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 5307-00-158-4408 contain precious materials?
Precious metal content is unknown
Does NSN 5307-00-158-4408 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 5307-00-158-4408 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Mar 19, 1971

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