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Datasheet. 763-5955-001 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.250in. and 0.252in. ⁓17/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.422in. and 0.453in.
The length of a straight line which passes through the center of the recess,and terminates at the circumference.
0.291in. and 0.301in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.058in. and 0.066in.
88.0 degrees and 92.0 degrees
A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.
F-As fabricated
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 2017
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-A-225/5 fed spec 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.
oxide film
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-C-5541 mil spec single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
recessed
Answers.
Recessed
Aluminum alloy 2017
0.058 inches minimum and 0.066 inches maximum
0.422 inches minimum and 0.453 inches maximum
0.250 inches minimum and 0.252 inches maximum
Schedule B number: 7616108000
Cotters, cotter-pins, washers and similar articles, of aluminum
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 5310-00-223-1253 WASHER,RECESSED
recessed oxide film surface treated 0.058" material thickness 0.422" outside diameter 0.250" hole diameter
- NIIN
- 002231253
- NIIN Date
- 05/09/73
- Schedule B
- 7616108000
- Name Code
- 15933
- FIIG
- A022B0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
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763-5955-001 / 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.
