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Datasheet. 23-400-12 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.250in. ⁓1/4"
The distance from the centerline to the axis of the item.
0.002in.
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.490in.
The length of a straight line which passes through the center of the recess,and terminates at the circumference.
0.395in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.050in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 2024
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
recessed both sides
Answers.
Recessed both sides
Aluminum alloy 2024
0.050 inches
0.490 inches
0.250 inches
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 5310-01-149-0746 WASHER,RECESSED
recessed both sides 0.050" material thickness 0.490" outside diameter 0.250" hole diameter
- NIIN
- 011490746
- NIIN Date
- 03/14/83
- 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
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Brazil
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23-400-12 / 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.
