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NSN: 3040-00-001-4457
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Cross Reference

These part numbers have the same form, fit, and function of 18a787-3
Item Number Cage
A51C34050-9 61174
18A787-3 97057
18A787 97057

Characteristic Codes

18A787-3 spec. code meanings
Code Translation
ABHP The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
ABPM The length of a straight line which passes through the center of the body, and terminates at the circumference.
AJUD The style designation indicating the configuration that most nearly corresponds to the appearance of the end attachment.
AJXT The style designation indicating the configuration that most nearly corresponds to the appearance of the link.
AZHL The structural characteristic of the body.
CRTL The master requirement codes of those requirements which are technically critical by reason of tolerance, fit, performance, or other characteristics which affect identification of the item.
FEAT Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.


Description: Rigid Connecting Link
Mfr. Cage 97057


Length: 28-13/16", Body Diameter: 3/4", steel corrosion resisting

ABHP Overall Length
From 28.813" and 28.844"
ABPM Body Diameter
0.750 inches
AJUD End Attachment Style
Eye both ends
AJXT Link Style
Solid shank
AZHL Body Construction
BFLD End Attachment Hole Diameter
0.2497 inches minimum both ends and 0.2500 inches maximum both ends
BFNL End Attachment Length
2.093 inches first end
BFNL End Attachment Length
2.344 inches second end
BFNQ End Attachment Width
0.438 inches both ends
CRTL Criticality Code Justification
FEAT Special Features
Connector link info: effective length 27.875 to 27.907 inches, thread demensions: right hand, length 1.125, size 3/8-24 nf; end attachment info: diameter 0.938 inch both ends, material steel both ends, surface treatment cadmium qq-p-416 type 1 class 2, connecting hole bearing location both ends, locknut included
MATT Material
Steel corrosion resisting
MDCL Material Spec
Mil-t-6845, 1/8 hard condition mil spec single material response

Technical Definition

Connecting Link, Rigid, also referenced with federal logistics item name code 21988 - An item of various cross-sectional shapes which may be of solid or hollow construction. it is specifically designed for attachment to a lever(s) and/or control(s) to actuate various remote mechanisms. it is one of the following: (1) a one-piece item with or without eyes and/or holes in each end which may have bushings or bearings pressed in the eyes; (2) a one-piece item with both ends processed for terminations, excluding threaded end(s); (3) a two-piece construction type item consisting of a body with both ends processed for terminations and a single end attachment; or (4) a three-piece construction type item consisting of a body and two end attachments. excludes internal combustion engine type piston connecting rods; drag link, steering; link, anchor, brake shoe; tie rod, steering; and turnbuckle. for cylindrical shaped externally threaded items without end attachments, see rod, threaded end and stud (as modified).
National Stock Number (NSN): 3040-00-001-4457

Last Modified: 02/14/2017