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Datasheet. NAS669-181 specification
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
rectangular
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.
not casehardened
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
1.945in. and 1.978in.
0.059in. and 0.065in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the ring.
internal
Indicates the designed use of the item.
internal
A numeric value that reflects the hardness of the material when used in conjunction with a hardness rating scale.
47.0 rockwell c and 52.0 rockwell c
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.
steel, fed std 66 nos. 1066 thru 1090
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel, fed std 66 nos. 1066 thru 1090
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
cadmium and chromate
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.
cadmium, QQ-P-416, type 2, class 2
The technical differentiating characteristic/s/ of an item of supply which depart/s/ from the text of a specification or a standard in that it represents a selection of characteristics stated in the specification or standard as being optional,or a variation from one or more of the stated characteristics,or an additional characteristic not stated in the specification or standard.
as modified by revision 6
Answers.
Steel,fed std 66 nos. 1066 thru 1090
Internal
0.059 inches minimum and 0.065 inches maximum
1.945 inches minimum and 1.978 inches maximum
Schedule B number: 9606100000
Press-fasteners, snap-fasteners & press-studs & parts therefor
FSC 5325 ⁓ Fastening devices
NSN 5325-00-227-5239 RING,RETAINING
cadmium surface treated internal ring style 0.059" major thickness 1.945" outside diameter
- NIIN
- 002275239
- NIIN Date
- 05/20/73
- Schedule B
- 9606100000
- Name Code
- 07623
- FIIG
- T252-G
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Canada
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NAS669-181 / Ring,retainingWhat is the formal definition of this item?
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.
