28CS4E Valve Seat
4820-00-218-2056
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Official Item Classification
- Name
- Valve Seat
- Part Number
- 28CS4E
- (NSN) National Stock Number
- 4820-00-218-2056
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 22113
- (FIIG) Federal Item Identification Guide
- A15500
- Date
- 01/01/1961 (65 years ago)
flat seating surface shape, 3.500 inches nominal flange diameter, 0.218 inches nominal under flange height, 3.025 inches nominal body outside diameter, 0.250 inches nominal flange seat to disk end height
Specs & Compatibility
3.500 inches nominal
3.025 inches nominal
0.250 inches nominal
0.218 inches nominal
flat
drill two holes 0.154 dia 10-24 thds 1/4 in. deep two screws far side,four holes 0.120 dia 1/4 deep for four dowel pins
copper alloy overall
plain flanged
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0022113
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