PartsTable TECHNICAL DATA SHEET

NSN 4820-01-108-3523Government record, cited

Valve, Regulating, Temperature4820-01-108-3523

NSN 4820-01-108-3523 · NIIN 011083523 · Part number 79D89-2

Grimes Aerospace Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72914

Government record, cited

NSN 4820-01-108-3523 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-108-3523. Manufacturer of record part number: 79D89-2.

Also searched as 4820-01-108-3523 · 4820011083523 · NIIN 011083523 · 01-108-3523 · FSC 4820 Valves, Nonpowered · CAGE 72914 · 79D89-2 · 70309-02101-103

Nearby stock numbers ← 4820-01-108-3361 · 4820-01-108-3541 Retainer, Helical →

4820-01-108-3523 — Valves, Nonpowered

Features

Valve,regulating,temperature — FSC 4820
Material: ALUMINUM BODY
1 manufacturer part number on file
Manufacturer of record: Grimes Aerospace Company

Identification

NSN: 4820-01-108-3523
NIIN: 011083523
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 79D89-2
Manufacturer: Grimes Aerospace Company

General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-108-3523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-108-3523
Primary Part Number	79D89-2
Item Name	Valve,regulating,temperature
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Grimes Aerospace Company
Status	ACTIVE
Material	ALUMINUM 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	N

Cross-Reference Index

Part Number	Manufacturer
79D89-2 PRIMARY	Grimes Aerospace Company (USA)

Reference documents

Reference	Meaning
70309-02101-103	7/2 Vendor item drawing reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

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 4820-01-108-3523?

NSN 4820-01-108-3523 is a Valve,regulating,temperature, manufactured by Grimes Aerospace Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-108-3523?

NSN 4820-01-108-3523 has 1 manufacturer part number on file: 79D89-2 (Grimes Aerospace Company).

What are the specifications of 79D89-2?

Key specifications for 79D89-2: Material: ALUMINUM BODY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-108-3523 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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