NSN 5325-01-328-1787

Part Details | RETAINING RING

5325-01-328-1787 A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see PUSH ON NUT. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also CLIP, RETAINING and PIN, LOCK. Excludes RING, CONNECTING, ROUND.

Alternate Parts: M2742630156D, MILDTL27426, MIL-DTL-27426, WH231S02PA, WH-231-S02-PA, RR231SP, RR-231-S-P, 5325-01-328-1787, 01-328-1787, 5325013281787, 013281787

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 27, 199001-328-178707623 ( RING, RETAINING )
REFERENCE DRAWINGS & PICTURES

ROUND

SPECIAL FLAT

Cross Reference | NSN 5325-01-328-1787
Part Number Cage Code Manufacturer
M2742630156D81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-2742681349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
WH-231-S02-PA51814SMALLEY STEEL RING CO.
RR-231-S-P80756SPIROLOX, INC.
Technical Data | NSN 5325-01-328-1787
Characteristic Specifications
MATERIAL STEEL COMP 302
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE SPECIAL FLAT
CROSS-SECTIONAL SHAPE STYLE2 ROUND
USAGE DESIGN INTERNAL
MATERIAL HARDNESS RATINGRCB39.8 ROCKWELL C MAXIMUM AND 48.5 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT PASSIVATE
INSIDE DIAMETER2.127 INCHES MINIMUM AND 2.147 INCHES MAXIMUM
OUTSIDE DIAMETER2.403 INCHES MINIMUM AND 2.423 INCHES MAXIMUM
MAJOR THICKNESS0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
PROPRIETARY CHARACTERISTICSNPAC