Bonnet Assembly4820-01-242-3174

NSN 4820-01-242-3174 · NIIN 012423174 · Part number 80039-3

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28968

Government record, cited

NSN 4820-01-242-3174 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-242-3174. Manufacturer of record part number: 80039-3.

Also searched as 4820-01-242-3174 · 4820012423174 · NIIN 012423174 · 01-242-3174 · FSC 4820 Valves, Nonpowered · CAGE 28968 · 80039-3

Nearby stock numbers ← 4820-01-242-3168 · 4820-01-242-3175 Stem Metering Taper →

4820-01-242-3174 — Valves, Nonpowered

Features

Bonnet Assembly — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok

Identification

NSN: 4820-01-242-3174
NIIN: 012423174
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 80039-3
Manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok

General Description

The Bonnet Assembly, cataloged under National Stock Number 4820-01-242-3174, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Bonnet Assembly
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (CAGE 28968)

Technical Specifications

Parameter	Value
NSN	4820-01-242-3174
Primary Part Number	80039-3
Item Name	Bonnet Assembly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

6685-01-617-6717800393 POSSIBLE MATCH

CONTROL,TEMPERATURE,INDICATING

Possible match (shared part number)True Mfg Co

Cross-Reference Index

Part Number	Manufacturer
80039-3 PRIMARY	Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)

Related Parts

6685-01-617-6717POSSIBLE MATCH

CONTROL,TEMPERATURE,INDICATING

800393

Frequently Asked Questions

What is NSN 4820-01-242-3174?

NSN 4820-01-242-3174 is a Bonnet Assembly, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-242-3174?

NSN 4820-01-242-3174 has 1 manufacturer part number on file: 80039-3 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-01-242-3174?

1 possible match (shared part number, not a government interchangeability claim): 6685-01-617-6717. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-242-3174 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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