PART NUMBER:

NA41

FEDERAL SUPPLY CODE:

32387

NA41 Series Pressinsert

PRESSINSERT, SELF-LOCKING

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Specifications
MATERIAL:
  • 3O3 CRES.

  • ALUMINUM ALLOY.

  • CARBON STEEL.

  • HALF-HARD BRASS.

FINISH:
  • CARBON STEEL

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

  • ALUMINUM

    No finish.

  • BRASS

    No finish.

  • 3O3 CRES

    Passivated per ASTM A967 or AMS2700.

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 basic part number for half-hard brass.

  • "C" Code

    Add after basic part number for 303 CRES.

  • "D" Code

    Add after basic part number for aluminum alloy.

  • "S" Code

    Add after basic part number for carbon steel.

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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 375 – 02 SP :

NA41 = Basic Part Number
S = Material Code (See Code Section)
375 = “L” Length (See Table I); For Special Length, Insert 3-Digit Decimal Callout (See Note /3/)
-02 = Dash Number (See Table I)
SP = Optional Finish Suffix (See Variations)

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
  • :

    3O3 CRES.

  • :

    ALUMINUM ALLOY.

  • :

    CARBON STEEL.

  • :

    HALF-HARD BRASS.

FINISH
  • CARBON STEEL:

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

  • ALUMINUM:

    No finish.

  • BRASS:

    No finish.

  • 3O3 CRES:

    Passivated per ASTM A967 or AMS2700.

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 basic part number for half-hard brass.

  • "C" Code:

    Add after basic part number for 303 CRES.

  • "D" Code:

    Add after basic part number for aluminum alloy.

  • "S" Code:

    Add after basic part number for carbon steel.