PartsTable TECHNICAL DATA SHEET

NSN 4820-01-656-6413Government record, cited

Pressure Regula4820-01-656-6413

NSN 4820-01-656-6413 · NIIN 016566413 · Part number 80531PT

Fairchild Industrial Products Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 07282

Government record, cited

NSN 4820-01-656-6413 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-656-6413. Manufacturer of record part number: 80531PT.

Also searched as 4820-01-656-6413 · 4820016566413 · NIIN 016566413 · 01-656-6413 · FSC 4820 Valves, Nonpowered · CAGE 07282 · 80531PT · YL1359/01 · YL1359/01 · YL1539/01

Nearby stock numbers ← 4820-01-656-6392 Valve, Safety Relief · 4820-01-656-6431 Valve, Gate →

4820-01-656-6413 — Valves, Nonpowered

Features

Pressure Regula — FSC 4820
3 manufacturer part numbers on file
Manufacturer of record: Fairchild Industrial Products Company

Identification

NSN: 4820-01-656-6413
NIIN: 016566413
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 80531PT
Manufacturer: Fairchild Industrial Products Company

General Description

The Pressure Regula, cataloged under National Stock Number 4820-01-656-6413, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairchild Industrial Products Company. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Pressure Regula
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Saab Aktiebolag Div Radar Solutions (CAGE A210N); Fairchild Industrial Products Company (CAGE 07282); Saab, Inc Div Surveillance (CAGE 1EG52)

Technical Specifications

Parameter	Value
NSN	4820-01-656-6413
Primary Part Number	80531PT
Item Name	Pressure Regula
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Fairchild Industrial Products Company
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
YL1359/01	Saab Aktiebolag Div Radar Solutions (SWE)
80531PT PRIMARY	Fairchild Industrial Products Company (USA)
YL1539/01	Saab, Inc Div Surveillance (USA)

Reference documents

Reference	Meaning
YL1359/01	5/9 Secondary reference Saab Ab (publ) - Business Area Surveillance

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 4820-01-656-6413?

NSN 4820-01-656-6413 is a Pressure Regula, manufactured by Fairchild Industrial Products Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-656-6413?

NSN 4820-01-656-6413 has 3 manufacturer part numbers on file: YL1359/01 (Saab Aktiebolag Div Radar Solutions), 80531PT (Fairchild Industrial Products Company), YL1539/01 (Saab, Inc Div Surveillance).

Is NSN 4820-01-656-6413 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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