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NSN 4820-01-690-9912Government record, cited

Valve, Safety Relief4820-01-690-9912

NSN 4820-01-690-9912 · NIIN 016909912 · Part number SS-RL3M4-F4-SET
Swagelok Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3T9T9
Government record, cited
NSN 4820-01-690-9912 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-690-9912. Manufacturer of record part number: SS-RL3M4-F4-SET.
Also searched as  4820-01-690-9912 · 4820016909912 · NIIN 016909912 · 01-690-9912 · FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · SS-RL3M4-F4-SET
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: ANGLE
  • Operating Pressure: 7.5 BAR MAXIMUM SINGLE RESPONSE
  • Valve Size: 0.125 INCHES IN
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Nominal Thread Size: 0.25 INCHES ALL ENDS IN
  • Maximum Operating Temp: 135.0 CELSIUS SINGLE RESPONSE DEGC
Identification
  • NSN: 4820-01-690-9912
  • NIIN: 016909912
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: SS-RL3M4-F4-SET
  • Manufacturer: Swagelok Co
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-690-9912, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 10 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
NSN4820-01-690-9912
Primary Part NumberSS-RL3M4-F4-SET
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSwagelok Co
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorANGLE
Operating Pressure7.5 BAR MAXIMUM SINGLE RESPONSE
Valve Size0.125 INCHES IN
Thread DirectionRIGHT-HAND ALL ENDS
Nominal Thread Size0.25 INCHES ALL ENDS IN
Maximum Operating Temp135.0 CELSIUS SINGLE RESPONSE DEGC
Mounting FacilityTHREADED FASTENER
MaterialSTEEL BODY
Thread Series DesignatorNPT ALL ENDS
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 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 4820-01-690-9912?

NSN 4820-01-690-9912 is a Valve,safety Relief, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-690-9912?

NSN 4820-01-690-9912 has 1 manufacturer part number on file: SS-RL3M4-F4-SET (Swagelok Co).

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

Key specifications for SS-RL3M4-F4-SET: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: ANGLE; Operating Pressure: 7.5 BAR MAXIMUM SINGLE RESPONSE; Valve Size: 0.125 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-690-9912 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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