National Item Identification Number

01-243-4772

National Stock Number

Item Name

WASHER,RECESSED

Federal Supply Class

5310

Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Commercial and Government Entity Code (Supplier Data)

---

58529

---

THE BABCOCK & WILCOX COMPANY
DBA B & W SERVICE CO DIV B&W SERVICE
20 S VAN BUREN AVE
BARBERTON
OH
44203
800-354-4400

---

Reference Numbers (Part Numbers)

196439E-3REV5 W/REV SHEETS 1&2

Required Categories

STYLE DESIGNATOR
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY

Required Description

15 RECESS
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVI