National Item Identification Number

01-523-2227

National Stock Number

Item Name

RING,RETAINING

Federal Supply Class

5325

Description

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.

Commercial and Government Entity Code (Supplier Data)

---

4R840

---

STAMCO AEROSPACE INC.
2840 PINE ROAD - UNIT E
HUNTINGDON VALLEY
PA
19006
215-938-9700

---

Reference Numbers (Part Numbers)

MS16632-40

Required Categories

MATERIAL
MATERIAL HARDNESS RATING
CASEHARDENING INDICATOR
RING STYLE
INSIDE

Required Description

STEEL, CARBON
67.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND
72.0 ROCKWELL SUPERFI