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NSN 4820-01-729-1935Government record, cited

Valve, Safety Relief4820-01-729-1935

NSN 4820-01-729-1935 · NIIN 017291935 · Part number 4KM-RL4A-VT-SS-KA(1-4)
Parker Industrial Equipment · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 044B3
Government record, cited
NSN 4820-01-729-1935 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-729-1935. Manufacturer of record part number: 4KM-RL4A-VT-SS-KA(1-4).
Also searched as  4820-01-729-1935 · 4820017291935 · NIIN 017291935 · 01-729-1935 · FSC 4820 Valves, Nonpowered · CAGE 044B3 · 4KM-RL4A-VT-SS-KA(1-4)
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: STEM
  • Style Designator: ANGLE
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Size: 0.250 INCHES IN
  • Maximum Operating Temp: 204.0 CELSIUS SINGLE RESPONSE DEGC
  • Disk Loading Method: SPRING
  • Material: STEEL CORROSION RESISTING BODY
Identification
  • NSN: 4820-01-729-1935
  • NIIN: 017291935
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 4KM-RL4A-VT-SS-KA(1-4)
  • Manufacturer: Parker Industrial Equipment
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-729-1935, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker Industrial Equipment. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-729-1935
Primary Part Number4KM-RL4A-VT-SS-KA(1-4)
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerParker Industrial Equipment
StatusACTIVE
Flow Control DeviceSTEM
Style DesignatorANGLE
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size0.250 INCHES IN
Maximum Operating Temp204.0 CELSIUS SINGLE RESPONSE DEGC
Disk Loading MethodSPRING
MaterialSTEEL CORROSION RESISTING BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
4KM-RL4A-VT-SS-KA(1-4) PRIMARY Parker Industrial Equipment (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 4820-01-729-1935?

NSN 4820-01-729-1935 is a Valve,safety Relief, manufactured by Parker Industrial Equipment, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-729-1935?

NSN 4820-01-729-1935 has 1 manufacturer part number on file: 4KM-RL4A-VT-SS-KA(1-4) (Parker Industrial Equipment).

What are the specifications of 4KM-RL4A-VT-SS-KA(1-4)?

Key specifications for 4KM-RL4A-VT-SS-KA(1-4): Flow Control Device: STEM; Style Designator: ANGLE; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.250 INCHES IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-729-1935 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.
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