Aerospace Hardware Store

Aerospace

Hardware

18C1228 Hexagon Head Cap Screw

5305-00-082-6821

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

MB1002
5330-00-465-5565
Plain Encased Seal
MB1002-2
4730-01-456-1632
Fluid Flow Restrictor
MB1006D5
5330-00-922-2230
Gasket
MB100881
5310-00-271-7361
Flat Washer
MB100891
5310-00-373-6230
Recessed Washer
MB1010-3
5355-00-538-6344
Dial Window
MB1016P4
5330-00-274-6248
Packing Assembly
MB1020-2
4730-01-424-9027
Fluid Flow Restrictor

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
18C1228
(NSN) National Stock Number
5305-00-082-6821
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1960 (66 years ago)

1.688 inches minimum and 1.750 inches maximum fastener length, right-hand thread direction, hexagon head style, 2a thread class, 1.500 inches minimum and 1.750 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.500 inches minimum and 1.750 inches maximum

Fastener Length

1.688 inches minimum and 1.750 inches maximum

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

End Item Identification

multiple launch rocket system (mlrs)

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 comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall

Material Document And Classification

sae j429 assn std all material responses 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

Replacement For

Part Number Description
5305-00-018-1830 No Name Available 09/01/1982
5305-00-022-3751 No Name Available 02/13/1967
5305-00-022-3824 No Name Available 08/01/1979
5305-00-818-3249 No Name Available 03/30/1967

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0018257

Related Hardware Products

Part Number Description
10082383 Hexagon Head Cap Screw
18C1228 Hexagon Head Cap Screw
ASME B18.2.1A Hexagon Head Cap Screw
B1821BH075F175N Hexagon Head Cap Screw
MS90727-186 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-082-6821?
The FSCG of the NSN 5305-00-082-6821 is 5305
Does the NSN 5305-00-082-6821 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-082-6821 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 5305-00-082-6821 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-082-6821 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 5305-00-082-6821 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960