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Machine Bolt

NSN: 5306-00-674-9246 | Model: 327B518P1

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
Thread Class
Thread Direction
Thread Length
Between 0.184 inches and 0.260 inches
Fastener Length
Between 0.240 inches and 0.260 inches
Head Style
Double hexagon w/hole
Head Height
Between 0.223 inches and 0.243 inches
Width Between Flats
Between 0.211 inches and 0.219 inches
Extended Washer Diameter
Between 0.328 inches and 0.338 inches
Extended Washer Thickness
Between 0.033 inches and 0.043 inches
Hole Diameter
0.047 inches
Thread Diameter
0.164 inches
Hole Quantity
Hole Type
Features Provided
Finished head
Thready Qty Per Inch (tpi)
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Hole Configuration Style
Double hexagon longitudinal hole
Surface Finish
63.0 microinches bearing surface of head
Steel comp 601
Material Specification
Ams 6304 assn standard single material response
Surface Treatment
Surface Treatment Specification
Ams 2403 assn standard single treatment response or +16-te3e class a, fscm 99207 mfr ref single treatment response
Thread Series Designator
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E417T9268 2017-04-21 PHPHB 2500 EA

Inventory Check

The last inventory check on this NSN was done on 09/23/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 89
  • New: 2107

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.

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NSN 5306-00-674-9246 Datasheet

Supply Class (FSC):
Cross Reference:
  • 327B518P1
  • 327B518P1
Cage Codes:
  • General Electric Company (CAGE 99207)
  • General Electric Co (CAGE 24446)
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


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


U - Precious metal content is unknown


- 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:

    713 - Metal hardware

  • 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
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $6.72 to $11.21..
Does NSN 5306-00-674-9246 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 Air Force, Department Of The Navy, Austria, Poland, Brazil, Spain, Singapore, Malaysia, Canada, Republic Of Korea, Italy, Norway, Greece, and Turkey
What is the NIIN of NSN 5306-00-674-9246?
006749246 or 00-674-9246
Does NSN 5306-00-674-9246 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-00-674-9246?
Solicitation SPE5E417T9268 for qty 2500 on 04/14/2017
When was this national stock number assigned to the federal catalog?
Jan 01, 1963