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NSN 4820-00-555-0797Government record, cited

Valve, Regulating, Temperature4820-00-555-0797

NSN 4820-00-555-0797 · NIIN 005550797 · Part number 999A1
Schneider Electric Systems Usa Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 73475
Government record, cited
NSN 4820-00-555-0797 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-555-0797. Manufacturer of record part number: 999A1.
Also searched as  4820-00-555-0797 · 4820005550797 · NIIN 005550797 · 00-555-0797 · FSC 4820 Valves, Nonpowered · CAGE 73475 · 999A1 · 1003D1
Nearby stock numbers  ·
Features
  • Valve,regulating,temperature — FSC 4820
  • First End Thread Direction: RIGHT-HAND
  • Second End Relationship with First End: IDENTICAL
  • First End Style Designator: PLAIN
  • End Connection Quantity: 2
  • First End Connection Type: THREADED INTERNAL PIPE
  • Thread Size and Series/type Designator: 0.500-14 UN FIRST END
  • 2 manufacturer part numbers on file
Identification
  • NSN: 4820-00-555-0797
  • NIIN: 005550797
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 999A1
  • Manufacturer: Schneider Electric Systems Usa Inc
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-555-0797, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 6 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
ParameterValue
NSN4820-00-555-0797
Primary Part Number999A1
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSchneider Electric Systems Usa Inc
StatusACTIVE
First End Thread DirectionRIGHT-HAND
Second End Relationship with First EndIDENTICAL
First End Style DesignatorPLAIN
End Connection Quantity2
First End Connection TypeTHREADED INTERNAL PIPE
Thread Size and Series/type Designator0.500-14 UN FIRST END
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
1003D1 Schneider Electric Systems Usa Inc (USA)
999A1 PRIMARY Schneider Electric Systems Usa Inc (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 4820-00-555-0797?

NSN 4820-00-555-0797 is a Valve,regulating,temperature, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-555-0797?

NSN 4820-00-555-0797 has 2 manufacturer part numbers on file: 1003D1 (Schneider Electric Systems Usa Inc), 999A1 (Schneider Electric Systems Usa Inc).

What are the specifications of 999A1?

Key specifications for 999A1: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; First End Style Designator: PLAIN; End Connection Quantity: 2. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-555-0797 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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