NSN 4820-01-424-7297 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-424-7297. Manufacturer of record part number: 1502.
Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Disk Loading Method: SPRING
Material: COPPER ALLOY BODY
Valve Operation Method: AUTOMATIC
2 manufacturer part numbers on file
Manufacturer of record: Simmons Mfg Co
Identification
NSN: 4820-01-424-7297
NIIN: 014247297
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1502
Manufacturer: Simmons Mfg Co
General Description
The Valve,check, cataloged under National Stock Number 4820-01-424-7297, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Simmons Mfg Co. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-424-7297
Primary Part Number
1502
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Simmons Mfg Co
Status
ACTIVE
Style Designator
STRAIGHT THRU
Operating Pressure
200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Vita Motivator Co Inc Div Vita Motivator Company (USA)
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 4820-01-424-7297?
NSN 4820-01-424-7297 is a Valve,check, manufactured by Simmons Mfg Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-424-7297?
NSN 4820-01-424-7297 has 2 manufacturer part numbers on file: 1502 (Simmons Mfg Co), 16-4 (Vita Motivator Co Inc Div Vita Motivator Company).
What are the specifications of 1502?
Key specifications for 1502: Style Designator: STRAIGHT THRU; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Disk Loading Method: SPRING; End Item Identification: OSPREY CLASS MHC,4320-01-423-6553. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-424-7297 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.