Aerospace Hardware Store

Aerospace

Hardware

5305-00-407-6543

Lag Screw

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

4P2349
5330-01-555-1009
Plain Seal
4P2407
5340-01-515-3998
Mounting Bracket
4P2433
5342-01-449-3765
Engine Accessory Bracket
4P2457
4710-01-398-2003
Metal Tube Assembly
4P2467
5360-01-438-4272
Compression Helical Spring
4P2522
5340-01-356-3801
Helical Compression Spr Retainer
4P2524
5330-00-122-9849
Oil Seal
4P2536
5315-00-198-5988
Plain Tapered Pin

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
Lag Screw
(NSN) National Stock Number
5305-00-407-6543
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
36433
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

gimlet point (type a, ab or ba) nonmachine thread style, 0.328 inches nominal head height, 0.750 inches nominal width between flats, 4.500 inches nominal fastener length, hexagon head style

Specs & Compatibility

Fastener Length

4.500 inches nominal

Head Style

hexagon

Head Height

0.328 inches nominal

Width Between Flats

0.750 inches nominal

Nonmachine Thread Style

gimlet point (type a, ab or ba)

Nonmachine Nominal Thread Diameter

0.500 inches

Material

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 310 or steel comp 316 overall

Material Document And Classification

66 fed std all material responses overall

Surface Treatment

passivate overall

Test Data Document

81348-stdno151 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Nondefinitive Spec/Std Data

3 type and c grade

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

0036433

Related Hardware Products

Part Number Description
5371 Lag Screw
FFB561TYPEVGRADEC Lag Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-407-6543?
The FSCG of the NSN 5305-00-407-6543 is 5305
Does the NSN 5305-00-407-6543 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-407-6543 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 5305-00-407-6543 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-407-6543 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 5305-00-407-6543 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963