Valve, Relief, Pressure and Temper4820-01-200-9398

NSN 4820-01-200-9398 · NIIN 012009398 · Part number C1043C

Dunns Valve Testers Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 59851

Government record, cited

NSN 4820-01-200-9398 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-200-9398. Manufacturer of record part number: C1043C.

Also searched as 4820-01-200-9398 · 4820012009398 · NIIN 012009398 · 01-200-9398 · FSC 4820 Valves, Nonpowered · CAGE 59851 · C1043C

Nearby stock numbers ← 4820-01-200-9397 · 4820-01-200-9403 →

4820-01-200-9398 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
Flow Control Device: NEEDLE
First End Thread Direction: RIGHT-HAND
Second End Relationship with First End: IDENTICAL
End Connection Quantity: 2
First End Connection Type: THREADED INTERNAL PIPE
First End Nominal Pipe Size Accommodated: 0.375 INCHES IN
Material: STEEL BODY

Identification

NSN: 4820-01-200-9398
NIIN: 012009398
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: C1043C
Manufacturer: Dunns Valve Testers Inc

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-200-9398, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dunns Valve Testers Inc. Government technical data includes 8 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

Parameter	Value
NSN	4820-01-200-9398
Primary Part Number	C1043C
Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Dunns Valve Testers Inc
Status	ACTIVE
Flow Control Device	NEEDLE
First End Thread Direction	RIGHT-HAND
Second End Relationship with First End	IDENTICAL
End Connection Quantity	2
First End Connection Type	THREADED INTERNAL PIPE
First End Nominal Pipe Size Accommodated	0.375 INCHES IN
Material	STEEL BODY
Media for Which Designed	HYDROCARBON FUELS AND OILS

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
C1043C PRIMARY	Dunns Valve Testers 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 4820-01-200-9398?

NSN 4820-01-200-9398 is a Valve,relief,pressure and Temper, manufactured by Dunns Valve Testers Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-200-9398?

NSN 4820-01-200-9398 has 1 manufacturer part number on file: C1043C (Dunns Valve Testers Inc).

What are the specifications of C1043C?

Key specifications for C1043C: Flow Control Device: NEEDLE; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; End Connection Quantity: 2. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-200-9398 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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