4820-00-005-7407
Valve Seat
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Official Item Classification
- Name
- Valve Seat
- (NSN) National Stock Number
- 4820-00-005-7407
- (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
- 06/11/1972 (54 years ago)
Flange Seat To Disk End Height: 0.154 mils and 0.158 centimeters, Under Flange Height: 0.127-0.133"
Specs & Compatibility
Flanged end counter bored 0.377 to 0.383 in. id 0.076 in. deep, both ends chamfered 45 deg
Flat
0.127 inches minimum and 0.133 inches maximum
0.154 mils and 0.158 centimeters
0.154 inches minimum and 0.158 inches maximum
0.556 inches minimum and 0.56 inches maximum
0.62 inches minimum and 0.624 inches maximum
Steel
Passivate
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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| Part Number | Description |
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| 383V318 | Valve Seat |