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5305-01-268-2675

Find complete technical information, availability, and procurement data for: 5305-01-268-2675

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5305-01-268-2675
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-268-2675
Item Name Code
33044
Assigment Date
11/26/1987 (38 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.)

2a thread class, 0.587 inches minimum and 0.607 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.250 inches nominal 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
2a
Thread Direction
right-hand
Thread Length
0.250 inches nominal
Fastener Length
0.587 inches minimum and 0.607 inches maximum
Head Style
flat countersunk
Head Diameter
0.340 inches minimum and 0.350 inches maximum
Internal Drive Style
cross recess type 1
Material Accommodated Thickness
0.090 inches minimum and 0.125 inches maximum
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Material
aluminum alloy 6061 stand-off
Material
steel comp xm-7 or steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 fastener
Material Document And Classification
astm a493 assn std all material responses fastener
Material Document And Classification
qq-a-225/8 fed spec single material response stand-off
Surface Treatment
anodize stand-off
Surface Treatment
passivate fastener
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
Thread Series Designator
unc

Related Parts

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Part Number Name
5546381-3 Panel Screw Assembly
5546381-8 Panel Screw Assembly
DPY7900P-8-B-3.5 Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-268-2675?
The FSCG of the NSN 5305-01-268-2675 is 5305
Does the NSN 5305-01-268-2675 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-268-2675 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 5305-01-268-2675 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-268-2675 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 5305-01-268-2675 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Thu, Nov 26, 1987

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