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Self-drilling Screw

NSN: 5305-01-654-2804 | Model: 90821A559

A hardened, externally-threaded fastener with a self-drilling point. It drills, taps and fastens and may have a machine screw thread or a nonmachine screw thread. The threads usually extend from behind the pilot to the bearing surface of the head.

NSN Properties and Flags
NATO Stock Number
Thread Direction
Fastener Length
1.50 inches
Head Style
Hexagon extended washer
Head Height
0.240 inches
Width Between Flats
0.375 inches
Extended Washer Diameter
0.520 inches
Point Length
0.3125 inches
Pilot Length
0.3125 inches
Point Style
Internal Drive Style
W/o internal drive
End Application
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
Nonmachine Thread Style
Self drilling
Nonmachine Thread Diameter
0.250 inches
Part Name Assigned By Controlling Agency
No.14 self tapping screw; drilling screw for aluminum
Special Features
Screw is rohs compliant
Steel property class 18.8
Surface Treatment Specification
Protective gray finish mfr ref single treatment response

Parts List for Underwater Construc  

Other components in the assembly of NSN 4220-01-618-6266
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E220T7681 2020-04-16 PXPP0 1 PG
SPE5E218T090C 2018-07-20 PHPHB 2 PG

Pricing and Availability

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NSN 5305-01-654-2804 Datasheet

Supply Class (FSC):
Cross Reference:
  • 90821A559
  • 19E2401085-3
Cage Codes:
  • Carr Supply Company Mcmaster (CAGE 39428)
  • Edgewood Chemical Biological Center (CAGE 5B5M3)
Freight Information:
  • NMFC:

    096640 - Screws, iron or steel

  • 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:

    Q - 70.0

  • 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
    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 $47.71 to $79.52..
Does NSN 5305-01-654-2804 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
What is the NIIN of NSN 5305-01-654-2804?
016542804 or 01-654-2804
Does NSN 5305-01-654-2804 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-01-654-2804?
Solicitation SPE5E220T7681 for qty 1 on 04/09/2020