Product Description

AN960-8 is an aircraft-grade flat washer used with No. 8 size bolts and screws to provide a smooth bearing surface and to act as a shim in bolted assemblies. It is applied in aviation hardware installations where controlled bearing area and precise grip length adjustment are required around a No. 8 fastener.

0 1. Overview

The AN960-8 washer is identified in the AN series with superseding NAS number NAS1149FN832P. Outer diameter is specified as 0.375 inch, inner diameter as 0.174 inch, and thickness as 0.032 inch. The washer is used under hex nuts to create a smooth bearing surface, and it functions as a shim to set correct grip length in bolt and nut assemblies. It is also used to position AN310 and AN320 castle nuts in relation to drilled cotter pin holes in bolts and clevis pins. A light series variant is available by adding the letter "L" to the dash number.

0 2. Key Features

  • Flat washer sized for No. 8 bolts and screws
  • Provides a smooth bearing surface under hex nuts
  • Functions as a shim to adjust bolt and nut assembly grip length
  • Helps position AN310 and AN320 castle nuts relative to cotter pin holes
  • Superseding NAS designation NAS1149FN832P
  • Available in a light series variant identified by adding an "L" to the dash number
  • Defined dimensions for outer diameter, inner diameter, and thickness
0 3. Specifications

Part Number: AN960-8
Superseding NAS Number: NAS1149FN832P
Washer Type: Flat washer
Bolt/Screw Size: No. 8
Outer Diameter: 0.375 in
Inner Diameter: 0.174 in
Thickness: 0.032 in
Series Option: Light series indicated by suffix "L"

FAQs

01. For which fastener size is the AN960-8 washer intended?

The AN960-8 washer is intended for use with No. 8 size bolts and screws.

02. What are the dimensions of the AN960-8 washer?

The AN960-8 washer has an outer diameter of 0.375 inch, an inner diameter of 0.174 inch, and a thickness of 0.032 inch.

03. What NAS number supersedes the AN960-8 designation?

The AN960-8 washer is superseded by NAS number NAS1149FN832P.

04. How is the light series version of the AN960-8 washer designated?

The light series version of the AN960-8 washer is designated by adding the letter "L" to the dash number.

05. What functional roles does the AN960-8 washer serve in aircraft hardware assemblies?

The AN960-8 washer provides a smooth bearing surface under hex nuts, acts as a shim to obtain correct grip length for bolt and nut assemblies, and adjusts the position of AN310 and AN320 castle nuts with respect to cotter pin holes in bolts and clevis pins.

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