PartsTable TECHNICAL DATA SHEET

NSN 4820-01-201-7687Government record, cited

Stem, Fluid Valve4820-01-201-7687

NSN 4820-01-201-7687 · NIIN 012017687 · Part number P-8402-Q3

Clark-Reliance Llc Dba Jerguson Gage & Valve · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 74965

Government record, cited

NSN 4820-01-201-7687 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-201-7687. Manufacturer of record part number: P-8402-Q3.

Also searched as 4820-01-201-7687 · 4820012017687 · NIIN 012017687 · 01-201-7687 · FSC 4820 Valves, Nonpowered · CAGE 74965 · P-8402-Q3 · E-282 PIECE 14 · P-8402Q · P-84020

Nearby stock numbers ← 4820-01-201-7571 Valve Assembly, Trip Throttle · 4820-01-201-7692 Cap, Valve →

4820-01-201-7687 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Clark-Reliance Llc Dba Jerguson Gage & Valve

Identification

NSN: 4820-01-201-7687
NIIN: 012017687
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: P-8402-Q3
Manufacturer: Clark-Reliance Llc Dba Jerguson Gage & Valve

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-201-7687, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clark-Reliance Llc Dba Jerguson Gage & Valve. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-201-7687
Primary Part Number	P-8402-Q3
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Clark-Reliance Llc Dba Jerguson Gage & Valve
Status	ACTIVE

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
E-282 PIECE 14	Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
P-8402-Q3 PRIMARY	Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)

Reference documents

Reference	Meaning
P-8402Q	C/1 Advisory reference — outside the item-of-supply concept Clark-Reliance Llc Dba Jerguson Gage & Valve
P-84020	5/9 Secondary reference Clark-Reliance Llc Dba Jerguson Gage & Valve

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 4820-01-201-7687?

NSN 4820-01-201-7687 is a Stem,fluid Valve, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-201-7687?

NSN 4820-01-201-7687 has 2 manufacturer part numbers on file: E-282 PIECE 14 (Clark-Reliance Llc Dba Jerguson Gage & Valve), P-8402-Q3 (Clark-Reliance Llc Dba Jerguson Gage & Valve).

What are the specifications of P-8402-Q3?

Key specifications for P-8402-Q3: Special Features: MATERIAL CORROSION RESISTING STEEL; 4.969 IN. OVERALL LENGTH; 0.406 IN. DIA. SHANK; THREAD, 0.562-12 UNC 2A A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-201-7687 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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