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BS 2SP 94:2019

$102.76

Aerospace series. Bushes (plain and flanged), press-fit and thrust washers, oil‑retaining sintered bronze. Specification

Published By Publication Date Number of Pages
BSI 2019 18
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This British Standard specifies material, dimensions, characteristics and identification of sintered bronze plain and flanged oil‑retaining bushes and oil‑retaining thrust washers for aircraft use. The bushes are charged with lubricating oil and have a normal oil content of from 25% − 30% by volume, within the size range from 3/16 in. (4.8 mm) to 21/2 in. (63.5 mm) nominal bore.

NOTE 1 Owing to slight variations between products of different manufacturers, exact dimensions and limits for diameters are not given in this British Standard, as these dimensions are declared by respective manufacturers. Bushes supplied to this British Standard give correct bores when fitted in housings as specified.

NOTE 2 The dimensional values depicted are in inch units and are to be regarded as the standard. Where metric mm equivalents are shown, they have been rounded. More accurate conversions should be based on the tables in BS 350, “Conversion factors and tables”.

PDF Catalog

PDF Pages PDF Title
4 Foreword
5 1 Scope
2 Normative references
3 Terms and definitions
4 Packaging and corrosion prevention
6 5 Bushes
5.1 Material and manufacture
5.2 Density
5.3 Bush radial crushing strength
5.4 Oil content
7 5.5 Bush configurations
5.6 Housing bore limits
5.7 Bush bore limits
5.8 Concentricity
Table 1 — Bush wall concentricity
8 Figure 1 — Plain bush outline
Figure 2 — Flanged bush outline
9 5.9 Identification and marking (bushes)
10 Table 2 — Dimensions of plain bushes
13 Table 3 — Dimensions of flanged bushes
15 6 Thrust washers
6.1 Thrust washer configuration
Figure 3 — Thrust washer outline
6.2 Identification and marking (thrust washers)
16 Table 4 — Dimensions of thrust washers
17 Bibliography
BS 2SP 94:2019
$102.76