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5305-00-404-3357

Find complete technical information, availability, and procurement data for: 5305-00-404-3357

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5305-00-404-3357
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-404-3357
Item Name Code
33044
Assigment Date
01/13/1972 (54 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.762 inches minimum thread length, 3a thread class, flat chamfer head style, right-hand thread direction, 0.812 inches nominal 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
3a
Thread Direction
right-hand
Thread Length
0.762 inches minimum
Fastener Length
0.812 inches nominal
Head Style
flat chamfer
Head Diameter
0.451 inches nominal
Head Height
0.520 inches nominal
Material Accommodated Thickness
0.094 inches minimum and 0.155 inches maximum
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Special Features
head vertically knurled
Material
aluminum alloy 6061 head
Material
aluminum alloy 6061 stand-off
Material
steel comp 302 spring
Material
steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 384 or steel comp 385 fastener
Material Document And Classification
astm a493 assn std all material responses fastener
Material Document And Classification
qq-a-225/8 temper t6 fed spec single material response head
Material Document And Classification
qq-a-225/8 temper t6 fed spec single material response stand-off
Material Document And Classification
qq-w-423 cond b fed spec single material response spring
Surface Treatment
anodize head
Surface Treatment
anodize stand-off
Surface Treatment
passivate fastener
Surface Treatment
passivate spring
Surface Treatment Document And Classification
mil-a-8625 ty 1 cl 1 mil spec single treatment response head
Surface Treatment Document And Classification
mil-a-8625 ty 1 cl 1 mil spec single treatment response stand-off
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response fastener
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response spring
Thread Series Designator
unf

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
374647-22 Panel Screw Assembly
523330-1 Panel Screw Assembly
FRB7500-10C5 Panel Screw Assembly
FRB7500P-10-C-5 Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-00-404-3357?
The FSCG of the NSN 5305-00-404-3357 is 5305
Does NSN 5305-00-404-3357 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 5305-00-404-3357 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-404-3357 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 5305-00-404-3357 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Thu, Jan 13, 1972

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 32
New Material 111
Total 143
Availability of this item was last updated on: 02/07/2026 03:02 AM EST. Stock levels and pricing are subject to change.

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