Body Outside Diameter: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Style Designator: PLAIN
Material Document and Classification: MIL-P-22296 TYPE2,CLASS G MIL SPEC 1ST MATERIAL RESPONSE OR MIL-P-19468,GROUP C MIL SPEC 2ND MATERIAL RESPONSE OR MIL-P-22241,TYPE 1,GRADE B MIL SPEC 3RD MATERIAL RESPONSE OVERALL
Body Inside Diameter: 0.221 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
Material: PLASTIC OR PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Seating Surface Shape: FLAT
Identification
NSN: 4820-00-775-8923
NIIN: 007758923
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-775-8923, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-775-8923
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
FSC Application Data
DECONTAMINATING APPARATUS PORTABLE
Body Outside Diameter
0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Style Designator
PLAIN
Material Document and Classification
MIL-P-22296 TYPE2,CLASS G MIL SPEC 1ST MATERIAL RESPONSE OR MIL-P-19468,GROUP C MIL SPEC 2ND MATERIAL RESPONSE OR MIL-P-22241,TYPE 1,GRADE B MIL SPEC 3RD MATERIAL RESPONSE OVERALL
Body Inside Diameter
0.221 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
Material
PLASTIC OR PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Seating Surface Shape
FLAT
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
B5-51-279
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-775-8923?
NSN 4820-00-775-8923 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What are the specifications of 4820-00-775-8923?
Key specifications for 4820-00-775-8923: Overall Height: 0.062 INCHES NOMINAL IN; FSC Application Data: DECONTAMINATING APPARATUS PORTABLE; Body Outside Diameter: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Style Designator: PLAIN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-775-8923 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.