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Datasheet. PK1558 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.302in. and 0.322in. ⁓21/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
1.470in. and 1.530in.
The distance measured in a straight line from the bottom to the top of an item.
0.720in. and 0.780in.
A measurement between specified points on the recess,in distinction from height.
0.500in. and 0.620in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.188in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
navy special project
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
chamfer inside edge 0.020 in.min 0.060 in.max by 45 deg
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic polyethylene terephthalate
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
recessed
Answers.
Recessed
Plastic polyethylene terephthalate
0.188 inches
1.470 inches minimum and 1.530 inches maximum
0.302 inches minimum and 0.322 inches maximum
Schedule B number: 3926904500
nmfc 194120
Gaskets,washers & other seals
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 5310-00-083-2147 WASHER,RECESSED
recessed chamfer inside edge 0.020 in.min 0.060 in.max by 45 deg navy special project 0.188" material thickness 1.470" outside diameter 0.302" hole diameter
- NIIN
- 000832147
- NIIN Date
- 11/22/72
- Schedule B
- 3926904500
- Name Code
- 15933
- FIIG
- A022B0
- QUP
- Historical Price
- $1.68 EA
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Air Force
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 250.0
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft
- Commodity (for shipments via water)
- Aircraft parts, to include test/tool sets and equipment (other than armament systems)
- NMFC (national motor freight code)
- 194120 WASHERS/GASKETS/PCKG DVCS NOI SUB3
- UFC (universal freight code)
- 95100
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
PK1558 / 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.
