Valve, Regulating, Temperature4820-01-313-7663

NSN 4820-01-313-7663 · NIIN 013137663 · Part number 40050-903

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 55378

Government record, cited

NSN 4820-01-313-7663 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-313-7663. Manufacturer of record part number: 40050-903.

Also searched as 4820-01-313-7663 · 4820013137663 · NIIN 013137663 · 01-313-7663 · FSC 4820 Valves, Nonpowered · CAGE 55378 · 40050-903

Nearby stock numbers ← 4820-01-313-7662 Valve, Regulating, Temperature · 4820-01-313-7664 Valve, Regulating, Fluid Pressure →

4820-01-313-7663 — Valves, Nonpowered

Features

Valve,regulating,temperature — FSC 4820
Flow Control Device: DISK
Second End Relationship with First End: IDENTICAL
Body Style: STRAIGHT THRU
First End Style Designator: SOCKET W/BRAZING RING
Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
End Connection Quantity: 2
First End Connection Type: UNTHREADED INTERNAL PIPE

Identification

NSN: 4820-01-313-7663
NIIN: 013137663
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40050-903
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc

General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-313-7663, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 10 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	4820-01-313-7663
Primary Part Number	40050-903
Item Name	Valve,regulating,temperature
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status	ACTIVE
Flow Control Device	DISK
Second End Relationship with First End	IDENTICAL
Body Style	STRAIGHT THRU
First End Style Designator	SOCKET W/BRAZING RING
Material Document and Classification	MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
End Connection Quantity	2
First End Connection Type	UNTHREADED INTERNAL PIPE
Temp Adjustability	NOT ADJUSTABLE
First End Nominal Pipe Size Accommodated	0.500 INCHES IN
Material	COPPER ALLOY 922 BODY

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
40050-903 PRIMARY	Trac Regulator Co., Inc. Dba Trac Regulator Co 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 4820-01-313-7663?

NSN 4820-01-313-7663 is a Valve,regulating,temperature, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-313-7663?

NSN 4820-01-313-7663 has 1 manufacturer part number on file: 40050-903 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What are the specifications of 40050-903?

Key specifications for 40050-903: Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; First End Style Designator: SOCKET W/BRAZING RING. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-313-7663 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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