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5305-01-527-4591

Find complete technical information, availability, and procurement data for: 5305-01-527-4591

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5305-01-527-4591
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-527-4591
Item Name Code
06657
Assigment Date
02/03/2005 (21 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

1.166 inches minimum and 1.309 inches maximum thread length, 1.440 inches minimum and 1.500 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 2a thread class

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
1.166 inches minimum and 1.309 inches maximum
Fastener Length
1.440 inches minimum and 1.500 inches maximum
Head Style
flat countersunk
Head Diameter
0.568 inches minimum and 0.635 inches maximum
Locking Feature
patch or pellet or strip
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.312 inches
Thread Quantity Per Inch
24
Minimum Tensile Strength
80000 pounds per square inch
Countersink Angle
80.0 degrees minimum and 82.0 degrees maximum
Screw Material
steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Screw Surface Treatment
passivate
Screw Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response
Thread Series Designator
unf
Nondefinitive Spec/Std Data
3 type and 2c style

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
MS51960-103L Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-527-4591?
The FSCG of the NSN 5305-01-527-4591 is 5305
Does the NSN 5305-01-527-4591 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-527-4591 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 5305-01-527-4591 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-527-4591 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 5305-01-527-4591 was assigned to the Federal Catalog?
It was assigned 21 years ago, on Thu, Feb 3, 2005

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