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5305-01-339-3298

Find complete technical information, availability, and procurement data for: 5305-01-339-3298

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5305-01-339-3298
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-339-3298
Item Name Code
06657
Assigment Date
05/20/1991 (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.

2a thread class, watertight head style, 0.262 inches minimum and 0.312 inches maximum thread length, right-hand thread direction, 0.312 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
2a
Thread Direction
right-hand
Thread Length
0.262 inches minimum and 0.312 inches maximum
Fastener Length
0.312 inches nominal
Head Style
watertight
Head Diameter
0.238 inches maximum
Head Height
0.080 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.112 inches
Features Provided
o ring
Thread Quantity Per Inch
40
Screw Material
steel comp 302
Screw Surface Treatment
passivate
Screw Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response
Special Features
0-ring flourosilicone rubber,color blue
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
117-0347-001 Machine Screw
A320A628 Machine Screw
NT521R0440EC5 Machine Screw
R/4-40X.312# Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-339-3298?
The FSCG of the NSN 5305-01-339-3298 is 5305
Does the NSN 5305-01-339-3298 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-339-3298 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 5305-01-339-3298 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-339-3298 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 5305-01-339-3298 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Mon, May 20, 1991

Professional Distribution

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