PART NUMBER:

NA41

FEDERAL SUPPLY CODE:

32387

NA41 Series Pressinsert

PRESSINSERT, SELF-LOCKING

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Specifications
MATERIAL:
  • 303 Stainless

    Non-magnetic - see procurement specification.

  • Aluminum Alloy

    See procurement specification.

  • Carbon Steel

    See procurement specification.

  • Half-Hard Brass

    See procurement specification.

FINISH:
  • Carbon Steel

    Cadmuim plate per AMS-QQ-P-416, Type I, Class 2 or 3.

  • Aluminum Alloy

    No finish.

  • Half-Hard Brass

    No finish.

  • 303 Stainless

    No finish.

VARIATIONS:
  • "CP"

    Cadmium plate per AMS-QQ-P-416, Type I, Class 2 or 3.

  • "NF"

    No finish.

  • "ZP"

    Zinc plate per ASTM B633, Type II, Fe/Zn.

  • "A"

    Anodized per MIL-A-8625, Type II, Class I.

  • "SP"

    Silver plate per AMS2410.

CODES:
  • "B" Code

    Add after dash number for half-hard brass.

  • "C" Code

    Add after dash number for 303 non-magnetic stainless steel.

  • "D" Code

    Add after dash number for aluminum alloy.

  • "S" Code

    Add after dash number for carbon steel.

PROCUREMENT SPECIFICATION:
  • Per NASM25027.

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Product Information

Marketing Summary

PART #: NA41

  • Self-locking
  • For use in low strength materials, such as plastics where additional tensile strength, locking of screw into threaded joint, and increased resistance to thread wear is desired.

Part Number Example Callout

NA41 S – 02:

NA41 = Basic Part Number
S = Material Code (See Code Section)
-02 = Dash Number (See Table I)

Notes:

  1. /1/ Other sizes available upon request. Thread sizes range from #0-80 through 3/8-16.
  2. /2/ Insert class 2 “GO” gauge in threads before measuring.
  3. /3/ Lengths shown are standard. Special lengths available on order.
  4. /4/ These hole sizes are based on average materials and torque requirements. Hole sizes may vary with the material used and the screw dimensions may vary with different standards. These variables may affect your needs.

Specifications

MATERIAL
  • 303 Stainless:

    Non-magnetic - see procurement specification.

  • Aluminum Alloy:

    See procurement specification.

  • Carbon Steel:

    See procurement specification.

  • Half-Hard Brass:

    See procurement specification.

FINISH
  • Carbon Steel:

    Cadmuim plate per AMS-QQ-P-416, Type I, Class 2 or 3.

  • Aluminum Alloy:

    No finish.

  • Half-Hard Brass:

    No finish.

  • 303 Stainless:

    No finish.

VARIATIONS
  • "CP":

    Cadmium plate per AMS-QQ-P-416, Type I, Class 2 or 3.

  • "NF":

    No finish.

  • "ZP":

    Zinc plate per ASTM B633, Type II, Fe/Zn.

  • "A":

    Anodized per MIL-A-8625, Type II, Class I.

  • "SP":

    Silver plate per AMS2410.

CODES
  • "B" Code:

    Add after dash number for half-hard brass.

  • "C" Code:

    Add after dash number for 303 non-magnetic stainless steel.

  • "D" Code:

    Add after dash number for aluminum alloy.

  • "S" Code:

    Add after dash number for carbon steel.

PROCUREMENT SPECIFICATION
  • :

    Per NASM25027.