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Hexagon Head Cap Screw

NSN: 5305-00-018-1003 | Model: 181003

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt, machine; bolt, externally relieved body; bolt, internal wrenching; and screw, cap, socket head.

NSN Properties and Flags
NATO Stock Number
Part Name Assigned By Controlling Agency
Screw, cap
Special Features
Finished hex bolt; national fine thread; clear zinc

Inventory Check

The last inventory check on this NSN was done on 07/29/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 18

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 5305-00-018-1003 Datasheet

Supply Class (FSC):
Cross Reference:
  • 181003
  • 214594
  • 1AX8
  • K-500-CH-0623
  • 1AX 8
  • 1AX8
  • 20704696
  • 11X120U
  • 123435
  • 181003
  • 214594
  • 112607H
  • 181003
  • 70723H
Cage Codes:
  • General Motors Llc (CAGE 7X677)
  • Mack Trucks Inc (CAGE 76040)
  • Kovatch Corp. (CAGE 59556)
  • Mack Trucks, Inc. (CAGE 89619)
  • Volvo Group Government Salesoceania (CAGE Z4117)
  • Sasco Inc Canadian Div (CAGE 58275)
  • Daimler Chrysler (CAGE 12204)
  • General Motors Corp (CAGE 24617)
  • Navistar Intl Corp (CAGE 31007)

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

  • LCL:

    U - 50.0

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5305-00-018-1003 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Spain, Singapore, Australia, Greece, and Turkey
What is the NIIN of NSN 5305-00-018-1003?
000181003 or 00-018-1003
Does NSN 5305-00-018-1003 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-00-018-1003?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963