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5305-00-948-0749

Find complete technical information, availability, and procurement data for: 5305-00-948-0749

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5305-00-948-0749
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-948-0749
Item Name Code
18257
Assigment Date
04/06/1966 (60 years ago)

A metal loop having either a v or u cross section or channelled segment(s). It may be attached to a flat band. It is designed to create a fluid tight joint and/or connect pipe, tubing, tank cover(s), duct(s) and the like, by mating with flanged or beaded ferrule(s), flared, or beaded ends. It may or may not have a sealing inner liner. A latch or latches of the quick coupling type, nut or bolt type, or threaded trunnion type is (are) used to lock and adjust the band. Excludes:coupling, clamp, pipe and ring, locking, metal drum cover.

hexagon head style, 2.250 inches nominal fastener length, 2a thread class, right-hand thread direction, 1.750 inches minimum and 1.938 inches maximum 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
1.750 inches minimum and 1.938 inches maximum
Fastener Length
2.250 inches nominal
Head Style
hexagon
Head Height
0.455 inches minimum and 0.483 inches maximum
Width Between Flats
1.100 inches minimum and 1.125 inches maximum
Nominal Thread Diameter
0.750 inches
Thread Quantity Per Inch
16
Minimum Tensile Strength
150000 pounds per square inch
Hardness Rating
32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material
steel overall
Material Document And Classification
sae j429 gr 8 assn std single material response overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator
unf
Nondefinitive Spec/Std Data
2 type and 10p style and 8 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-022-3753 No Name Available 02/01/1980
5305-00-022-3826 No Name Available 12/16/1968
5305-00-057-1098 No Name Available 03/25/1987
5306-01-238-1431 No Name Available 01/01/1992

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
10388904 Hexagon Head Cap Screw
5305009480749 Hexagon Head Cap Screw
AES01F750B25AW9A91 Hexagon Head Cap Screw
B1821BH075F225N Hexagon Head Cap Screw
MS90727-188 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-948-0749?
The FSCG of the NSN 5305-00-948-0749 is 5305
Does the NSN 5305-00-948-0749 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-948-0749 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 5305-00-948-0749 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-948-0749 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 5305-00-948-0749 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Apr 6, 1966

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