PartsTable TECHNICAL DATA SHEET

NSN 4820-01-423-1879Government record, cited

Regulator, Thermostatic Temperatu4820-01-423-1879

NSN 4820-01-423-1879 · NIIN 014231879 · Part number 077933

Circor Pumps North America Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 59180

Government record, cited

NSN 4820-01-423-1879 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-1879. Manufacturer of record part number: 077933.

Also searched as 4820-01-423-1879 · 4820014231879 · NIIN 014231879 · 01-423-1879 · FSC 4820 Valves, Nonpowered · CAGE 59180 · 077933 · ACG 0712 PL ITG070

Nearby stock numbers ← 4820-01-423-1874 Disk, Valve · 4820-01-423-1884 Disk, Valve →

4820-01-423-1879 — Valves, Nonpowered

Features

Regulator,thermostatic Temperatu — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Circor Pumps North America Llc

Identification

NSN: 4820-01-423-1879
NIIN: 014231879
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 077933
Manufacturer: Circor Pumps North America Llc

General Description

The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-423-1879, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Pumps North America Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-423-1879
Primary Part Number	077933
Item Name	Regulator,thermostatic Temperatu
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Circor Pumps North America Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
077933 PRIMARY	Circor Pumps North America Llc (USA)

Reference documents

Reference	Meaning
ACG 0712 PL ITG070	5/9 Secondary reference Imo Ab
077933	5/9 Secondary reference Imo Ab

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 4820-01-423-1879?

NSN 4820-01-423-1879 is a Regulator,thermostatic Temperatu, manufactured by Circor Pumps North America Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-423-1879?

NSN 4820-01-423-1879 has 1 manufacturer part number on file: 077933 (Circor Pumps North America Llc).

What are the specifications of 077933?

Key specifications for 077933: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; IMO ROTARY PUMP ACG 0712. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-423-1879 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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