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Externally Relieved Body Screw

NSN: 5305-00-006-8308 | Model: E-546-19

An externally threaded fastener whose threaded portion is of one diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a diameter less than the pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.


Iron material, distance from largest bearing surface of head to end of first diameter: 0.312 inches to 0.317 inches

NSN Properties and Flags
NATO Stock Number
Thread Class
Thread Direction
Thread Length
0.219 inches
Fastener Length
0.531 inches to 0.536 inches
Head Style
Flat chamfer
Head Diameter
0.255 inches to 0.27 inches
Head Height
0.088 inches to 0.102 inches
First Diameter From Head
0.109 inches to 0.114 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.312 inches to 0.317 inches
Internal Drive Style
Offset cruciform (torque set)
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
Externally Relieved Body Diameter Quantity
Iron alloy 660
Material Document and Classification
Ams 5737 assn std single material response
Surface Treatment
Surface Treatment Document and Classification
Qq-p-35 fed spec single treatment response
Thread Series Designator

Pricing and Availability

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NSN 5305-00-006-8308 Datasheet

Supply Class (FSC):
Cross Reference:
  • E-546-19
  • 1120641-19
  • 965336-19
  • 965336-19
  • 965336-19
  • E546-19
  • A1C617-19
  • AIC617-19
Cage Codes:
  • Huck International, Inc. (CAGE 17446)
  • Textron Fastening Systems (CAGE 93907)
  • Raytheon Company (CAGE 82577)
  • Sps Technologies, Llc (CAGE 06725)
  • Fastener Innovation Technology, Inc. (CAGE 58998)
  • Huck Intl Inc (CAGE 97928)
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 $52.89 to $88.16..
Does NSN 5305-00-006-8308 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 Navy
What is the NIIN of NSN 5305-00-006-8308?
000068308 or 00-006-8308
Does NSN 5305-00-006-8308 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-00-006-8308?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 23, 1972