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Datasheet. NA0179B-120C specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
12.6 mm and 13.0 mm
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
21.9 mm and 22.5 mm
The length of a straight line which passes through the center of the recess,and terminates at the circumference.
14.7 mm and 15.1 mm
A measurement of the smallest dimension of the material,in distinction from length or width.
2.0 mm
44.0 degrees and 46.0 degrees
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5736 assn std single material response
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.
passivate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-35 fed spec single treatment response
Answers.
Iron alloy 660
2.0 millimeters
21.9 millimeters minimum and 22.5 millimeters maximum
12.6 millimeters minimum and 13.0 millimeters maximum
Schedule B number: 7318220000
Washers other than lock washers, iron or steel
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).
NSN 5310-01-475-2399 WASHER,RECESSED
passivate surface treated 2.0mm material thickness 21.9mm outside diameter 12.6mm hole diameter
- NIIN
- 014752399
- NIIN Date
- 05/25/00
- Schedule B
- 7318220000
- Name Code
- 15933
- FIIG
- A022B0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Spain
- - Germany
- - United Kingdom
- - Italy
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NA0179B-120C / Washer,recessedWhat is the formal definition of this item?
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.
