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NSN 4820-01-577-0271Government record, cited

Valve, Regulating, Fluid Pressure4820-01-577-0271

NSN 4820-01-577-0271 · NIIN 015770271 · Part number B74G-6AT-QD3-RFG
Norgren C a Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43990
Government record, cited
NSN 4820-01-577-0271 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-577-0271. Manufacturer of record part number: B74G-6AT-QD3-RFG.
Also searched as  4820-01-577-0271 · 4820015770271 · NIIN 015770271 · 01-577-0271 · FSC 4820 Valves, Nonpowered · CAGE 43990 · B74G-6AT-QD3-RFG
Nearby stock numbers  ·
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Second End Relationship with First End: IDENTICAL
  • First End Style Designator: PLAIN
  • Temp Rating: 175.0 FAHRENHEIT MAXIMUM DEGF
  • End Connection Quantity: 2
  • Outlet Pressure Range: 5.0 TO 60.0 CAMERA MOUNT
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • First End Nominal Pipe Size Accommodated: 0.750 INCHES IN
Identification
  • NSN: 4820-01-577-0271
  • NIIN: 015770271
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: B74G-6AT-QD3-RFG
  • Manufacturer: Norgren C a Co
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-577-0271, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norgren C a 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
NSN4820-01-577-0271
Primary Part NumberB74G-6AT-QD3-RFG
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerNorgren C a Co
StatusACTIVE
Second End Relationship with First EndIDENTICAL
First End Style DesignatorPLAIN
Temp Rating175.0 FAHRENHEIT MAXIMUM DEGF
End Connection Quantity2
Outlet Pressure Range5.0 TO 60.0 CAMERA MOUNT
First End Connection TypeUNTHREADED INTERNAL PIPE
First End Nominal Pipe Size Accommodated0.750 INCHES IN
MaterialALUMINUM BODY
Media for Which DesignedAIR
Maximum Inlet Pressure RatingERR-060
FilterINCLUDED
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
B74G-6AT-QD3-RFG PRIMARY Norgren C a 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 4820-01-577-0271?

NSN 4820-01-577-0271 is a Valve,regulating,fluid Pressure, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-577-0271?

NSN 4820-01-577-0271 has 1 manufacturer part number on file: B74G-6AT-QD3-RFG (Norgren C a Co).

What are the specifications of B74G-6AT-QD3-RFG?

Key specifications for B74G-6AT-QD3-RFG: Second End Relationship with First End: IDENTICAL; First End Style Designator: PLAIN; Temp Rating: 175.0 FAHRENHEIT MAXIMUM DEGF; End Connection Quantity: 2. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-577-0271 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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