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NSN 4820-01-689-7117Government record, cited

Valve, Safety Relief4820-01-689-7117

NSN 4820-01-689-7117 · NIIN 016897117 · Part number SS-RL3M4-F4-SET-EP
Swagelok Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3T9T9
Government record, cited
NSN 4820-01-689-7117 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-689-7117. Manufacturer of record part number: SS-RL3M4-F4-SET-EP.
Also searched as  4820-01-689-7117 · 4820016897117 · NIIN 016897117 · 01-689-7117 · FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · SS-RL3M4-F4-SET-EP
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: ANGLE
  • Operating Pressure: 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Size: 0.250 INCHES IN
  • Bonnet Type: INSIDE SPRING
  • Surface Treatment: PLASTIC POLYTETRAFLUOROETHYLENE O-RING
  • Material: STEEL COMP 316 BODY
  • Material: STEEL COMP 316 DISK
Identification
  • NSN: 4820-01-689-7117
  • NIIN: 016897117
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: SS-RL3M4-F4-SET-EP
  • Manufacturer: Swagelok Co
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-689-7117, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 11 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
NSN4820-01-689-7117
Primary Part NumberSS-RL3M4-F4-SET-EP
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSwagelok Co
StatusACTIVE
Style DesignatorANGLE
Operating Pressure225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size0.250 INCHES IN
Bonnet TypeINSIDE SPRING
Surface TreatmentPLASTIC POLYTETRAFLUOROETHYLENE O-RING
MaterialSTEEL COMP 316 BODY
MaterialSTEEL COMP 316 DISK
MaterialSTEEL COMP 316 BONNET
MaterialSTEEL COMP 316 O-RING
Thread Series DesignatorNPT ALL ENDS
Valve Operation MethodAUTOMATIC
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
SS-RL3M4-F4-SET-EP PRIMARY Swagelok Co (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 4820-01-689-7117?

NSN 4820-01-689-7117 is a Valve,safety Relief, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-689-7117?

NSN 4820-01-689-7117 has 1 manufacturer part number on file: SS-RL3M4-F4-SET-EP (Swagelok Co).

What are the specifications of SS-RL3M4-F4-SET-EP?

Key specifications for SS-RL3M4-F4-SET-EP: Style Designator: ANGLE; Operating Pressure: 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.250 INCHES IN; Bonnet Type: INSIDE SPRING. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-689-7117 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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