Aerospace Hardware Store

Aerospace

Hardware

5305-00-161-0755

Hexagon Head Cap 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

BACN10B522
5310-00-106-3144
Extended Washer Self-Locking Nut
BACN10BL4L
5310-00-803-2598
Extended Washer Self-Locking Nut
BACN10BL5L
5310-00-803-2599
Double Hexagon Self-Locking Nut
BACN10BT10
5310-00-515-8961
Barrel Self-Locking Nut
BACN10BY504W
5310-00-680-9303
Hexagon Self-Locking Nut
BACN10BY506W
5310-00-685-3622
Hexagon Self-Locking Nut
BACN10BY508W
5310-00-655-6297
Hexagon Self-Locking Nut
BACN10BY512
5310-01-483-3498
Hexagon Self-Locking Nut

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
(NSN) National Stock Number
5305-00-161-0755
(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
11/03/1971 (54 years ago)

hexagon head style, 4.312 inches minimum and 4.500 inches maximum fastener length, right-hand thread direction, 2.958 inches minimum thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

2.958 inches minimum

Fastener Length

4.312 inches minimum and 4.500 inches maximum

Head Style

hexagon

Head Height

0.749 inches minimum and 0.813 inches maximum

Width Between Flats

1.812 inches minimum and 1.875 inches maximum

Nominal Thread Diameter

1.250 inches

Thread Quantity Per Inch

12

Minimum Tensile Strength

150000 pounds per square inch

Hardness Rating

32.0 rockwell c minimum and 38.0 rockwell c maximum overall

Surface Finish

63.0 microinches threads

Material

steel overall

Material Document And Classification

sae 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 or 10p style or 8 grade

Replacement For

Part Number Description
5305-00-055-2301 No Name Available 07/01/1992
5305-00-619-4814 No Name Available 09/01/2023

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
MS90726-279 Hexagon Head Cap Screw
MS90727-279 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-161-0755?
The FSCG of the NSN 5305-00-161-0755 is 5305
Does the NSN 5305-00-161-0755 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-161-0755 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 5305-00-161-0755 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-161-0755 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 5305-00-161-0755 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Nov 3, 1971