Machine Bolt

NSN: 5306-00-051-4072 | Model: B1821BH031F056N

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

NSN Properties and Flags

NATO Stock Number

5306-00-051-4072

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

0.448 inches

Fastener Length

Between 0.531 inches and 0.562 inches

Head Style

Hexagon

Head Height

Between 0.195 inches and 0.211 inches

Width Between Flats

Between 0.489 inches and 0.500 inches

Thread Diameter

0.312 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

150000 pounds per square inch

Hardness Rating

32.0 rockwell c and 38.0 rockwell c

Material

Steel

Material Specification

Sae gr 8 assn standard single material response

Surface Treatment

Zinc and chromate

Surface Treatment Specification

Astm b633 type 2 sc 3 assn standard single treatment response

Thread Series Designator

Unf

Inventory Check

The last inventory check on this NSN was done on 03/23/2021. Due to rapid changes in inventory this may not be the current stock qty.

New Surplus: 740
New: 26

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5306-00-051-4072 Datasheet

Supply Class (FSC):

Bolts

Cross Reference:

B1821BH031F056N
MS90726-30
MS90727-30
10392405

Cage Codes:

American National Standards (CAGE 80204)
Military Standards (CAGE 96906)
Nimikkeistokeskus Ncb Finland (CAGE A486G)

Replacements:

5306-00-051-4072 replaces 5306-00-543-4589
5306-00-051-4072 replaces 5306-00-754-3101

Schedule B & Trade:

Schedule B: 7318152000 (NAICS 332722)

Bolts and bolts and their nuts or washers exported in the same shipment
SITC: 69421

Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel
End Use: 12110

Iron and steel products, other

Identification:

HMIC

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

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

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

Freight Information:

NMFC:

093486 - Bolts, nuts or screws, noi (sub 3)
WCC:

573 - Bolts or nuts (iron or steel),(less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
1
Unit of Measure
Hd
Shelf Life
N/A
Classification Control
U
MGMT_CTL
T2200x-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $62.09 to $103.48..
Does NSN 5306-00-051-4072 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, Finland, Brazil, Spain, Australia, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Portugal, Italy, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5306-00-051-4072?
000514072 or 00-051-4072
Does NSN 5306-00-051-4072 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-00-051-4072?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1960