PART NUMBER:

NA2474

FEDERAL SUPPLY CODE:

32387

NA2474 Series Retainer Nut / NAS1794

RETAINER, NUT -- RIVETLESS, CLASS III FIT

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Specifications
MATERIAL & FINISH CODES:

  • CODE - (DASH)

    - 17-4PH CRES per AMS5643 and cadmium plate per AMS-QQ-P-416, type II, class 2.

  • CODE A

    - 17-4PH CRES per AMS5643 and IVD aluminum coat per MIL-C-83488, type II, class 3.

  • CODE V

    - 3 AL-2.5V titanium per AMS4928.

HEAT TREAT:

  • 17-4PH CRES

    - H1025 per MIL-H-6875.

PROCUREMENT SPECIFICATION:

  • IDENTIFICATION

    Identification shall be per MIL-STD-130. Note: Company name and/or logo is acceptable in lieu of cage code.

  • PACKAGING

    Unless otherwise specified in the purchase order, all packaging shall be in accordance with MIL-STD-2073, and inn addition the NAFCO USA approved number callout and the vendor's part designation shall appear marked on the part's unit package and the shipping container per MIL-STD-129.

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Product Information

Marketing Summary

PART #: NA2474

  • Retainer
  • Nut
  • Rivetless
  • Class III Fit

Part Number Example Callout

NA2474 – 4 – 120 :

NA2474 = Basic Part Number
-4 = Dash No. ; Material and Finish Code
– = Standard Size Grip Length (See Note 3 in Design Information)
120 = Grip in .010 Increments Shall Be 3 Digits (See Note 1 in Design Information)

Notes:

*UNLESS OTHERWISE SPECIFIED*

  1. This drawing takes precedence over all documents referenced herein.
  2. Dimensional tolerances and symbols per ANSI Y14.5M-82.
  3. Surface texture 125 microinches Ra max per ANSI B46.1-78.
  4. Deburr and break all edges .005 – .015.
  5. /5/ These retainers shall meet the minimum torque-out and push-out requirements as specified in MIL-N-25027 except nut retainers shall be installed in 7075-T6 aluminum alloy panels having a thickness as specified for the appropriate grip length.
  6. /6/ Dimensions apply after coating or plating. All other dimensions apply before coating or plating.

Design Information:

  1. Grip length dash number shall be specified in .010 inch increments using three (3) digits.
    • EX. : -120 = .120
  2. Specify nut element on next assembly drawing to complete nut plate assembly. Suggested nut element: NAS1794.
  3. Do not specify oversize parts on production drawings.
  4. The following formula may be used to calculate weight:
    • WEIGHT = Wt + (Wb x L)
    • Wt = Weight of top assy including clip (in)
    • Wb = Weight of the barrel portion (lb/in)
    • L = Barrel length (in)

Specifications

EXPAND ALL SECTIONS
MATERIAL & FINISH CODES

  • CODE - (DASH):

    - 17-4PH CRES per AMS5643 and cadmium plate per AMS-QQ-P-416, type II, class 2.

  • CODE A:

    - 17-4PH CRES per AMS5643 and IVD aluminum coat per MIL-C-83488, type II, class 3.

  • CODE V:

    - 3 AL-2.5V titanium per AMS4928.

HEAT TREAT

  • 17-4PH CRES:

    - H1025 per MIL-H-6875.

PROCUREMENT SPECIFICATION

  • IDENTIFICATION:

    Identification shall be per MIL-STD-130. Note: Company name and/or logo is acceptable in lieu of cage code.

  • PACKAGING:

    Unless otherwise specified in the purchase order, all packaging shall be in accordance with MIL-STD-2073, and inn addition the NAFCO USA approved number callout and the vendor's part designation shall appear marked on the part's unit package and the shipping container per MIL-STD-129.

Interchangeability

3D0279 NAS1794

Related Tags

32387 3D0279 AMS4928 AMS5643 ANSI B46.1-78 ANSI Y14.5M-1982 ANSI Y14.5M-82 AS8879 BOEING CLASS III FIT CLIP RETAINED FLOATING MCDONNELL DOUGLAS MIL-C-83488 MIL-H-6875 MIL-N-25027 MIL-STD-129 MIL-STD-130 MIL-STD-2073 NAS1794 NASM25027 NUT RETAINER RIVETLESS SELF-LOCKING
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