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5305-01-348-3548

Find complete technical information, availability, and procurement data for: 5305-01-348-3548

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5305-01-348-3548
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-348-3548
Item Name Code
01852
Assigment Date
11/08/1991 (34 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

0.750 inches nominal thread length, 3a thread class, right-hand thread direction, flat chamfer head style, 1.000 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
0.750 inches nominal
Fastener Length
1.000 inches nominal
Head Style
flat chamfer
Head Diameter
0.365 inches minimum and 0.375 inches maximum
Head Height
0.244 inches minimum and 0.250 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.220 inches minimum and 0.280 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250 inches
Width Across Flats
0.188 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch
20
Externally Relieved Body Diameter Quantity
1
Material
steel comp 302 or steel comp 303 or steel comp 305 or steel comp 316 overall
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
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
3477051-1 Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-348-3548?
The FSCG of the NSN 5305-01-348-3548 is 5305
Does the NSN 5305-01-348-3548 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-348-3548 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 5305-01-348-3548 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-348-3548 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 5305-01-348-3548 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Fri, Nov 8, 1991

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