NSN 5310-01-131-2957

Part Details | SHOULDERED AND RECESSED WASHER

5310-01-131-2957 A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING, SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.

Alternate Parts: 74A1106812001, 74A110681-2001, 10109599, 74A1106812001, 74A110681-2001, 74A1106812001, 74A110681-2001, 5310-01-131-2957, 01-131-2957, 5310011312957, 011312957

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 07, 198201-131-295715935 ( WASHER, SHOULDERED AND RECESSED )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5310-01-131-2957
Part Number Cage Code Manufacturer
74A110681-200176301BOEING COMPANY, THEDBA BOEING
10109599A486GNIMIKKEISTOKESKUS NCB FINLAND
74A110681-200125989STEELVILLE MANUFACTURING CO.
74A110681-20011U854TRIUMPH STRUCTURES - WICHITA, INC.
Technical Data | NSN 5310-01-131-2957
Characteristic Specifications
HOLE DIAMETER0.312 INCHES MINIMUM AND 0.319 INCHES MAXIMUM
SHOULDER DIAMETER1.750 INCHES NOMINAL
OUTSIDE DIAMETER2.900 INCHES NOMINAL
RECESS DIAMETER0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM
SHOULDER HEIGHT0.140 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL
SPECIAL FEATURESBEARING SURFACE CONVEX 3.000 IN. RADIUS