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5305-01-337-7456

Find complete technical information, availability, and procurement data for: 5305-01-337-7456

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5305-01-337-7456
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-337-7456
Item Name Code
06657
Assigment Date
04/21/1991 (35 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

dished hexagon head style, 2.234 inches minimum and 2.281 inches maximum fastener length, 3a thread class, right-hand thread direction, 1.750 inches minimum 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
3a
Thread Direction
right-hand
Thread Length
1.750 inches minimum
Fastener Length
2.234 inches minimum and 2.281 inches maximum
Head Style
dished hexagon
Head Height
0.105 inches minimum and 0.120 inches maximum
Width Between Flats
0.305 inches minimum and 0.314 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Screw Material
iron alloy 660
Screw Material Document And Classification
ams 5731 assn std single material response or ams 5737 assn std single material response
Screw Surface Treatment
passivate
Screw Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response
Bearing Surface Of Head Surface Finish
63.0 microinches
Shank Surface Finish
32.0 microinches
Thread Surface Finish
32.0 microinches
Thread Series Designator
unjf
Specification/Standard Data
80205-nas1802 professional/industrial association standard

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
NAS1802-3-36 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-337-7456?
The FSCG of the NSN 5305-01-337-7456 is 5305
Does the NSN 5305-01-337-7456 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-337-7456 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 5305-01-337-7456 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-337-7456 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 5305-01-337-7456 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Sun, Apr 21, 1991

Professional Distribution

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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 81
New Material 2,530
Total 2,611
Availability of this item was last updated on: 02/05/2026 11:02 AM EST. Stock levels and pricing are subject to change.

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