PartsTable TECHNICAL DATA SHEET

NSN 4820-01-042-9120Government record, cited

Sleeve and Slide, Directional Con4820-01-042-9120

NSN 4820-01-042-9120 · NIIN 010429120 · Part number 20366-410

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78062

Government record, cited

NSN 4820-01-042-9120 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-042-9120. Manufacturer of record part number: 20366-410.

Also searched as 4820-01-042-9120 · 4820010429120 · NIIN 010429120 · 01-042-9120 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 20366-410 · 20366-001 · 20366-001 PIECE 2

Nearby stock numbers ← 4820-01-042-9119 · 4820-01-042-9124 Plate, Spring, Valve →

4820-01-042-9120 — Valves, Nonpowered

Features

Sleeve and Slide,directional Con — FSC 4820
Slide Material: STEEL
Sleeve Material: STEEL
Valve Design Control Activity: 78062
1 manufacturer part number on file
Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Identification

NSN: 4820-01-042-9120
NIIN: 010429120
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20366-410
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

General Description

The Sleeve and Slide,directional Con, cataloged under National Stock Number 4820-01-042-9120, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-042-9120
Primary Part Number	20366-410
Item Name	Sleeve and Slide,directional Con
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Status	ACTIVE
Slide Material	STEEL
Sleeve Material	STEEL
Valve Design Control Activity	78062

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

⇄ Related Items 6

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-044-166920366-420 POSSIBLE MATCH

ROLLER SET

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

4820-01-051-2006 POSSIBLE MATCH

VALVE ASSEMBLY

Possible match (shared part number)

5340-01-103-639220366-1200 POSSIBLE MATCH

SEAT,HELICAL COMPRESSION SPRING

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

5342-01-164-713020366-1210 POSSIBLE MATCH

BRACKET,ANTI-ROTATION

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

4820-01-178-488220366-1180 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

4820-01-189-665520366-450 POSSIBLE MATCH

ADJUSTER,HOUSING

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Cross-Reference Index

Part Number	Manufacturer
20366-410 PRIMARY	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)

Reference documents

Reference	Meaning
20366-001	D/9 Drawing number reference only Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
20366-001 PIECE 2	5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Related Parts

4820-01-044-1669POSSIBLE MATCH

ROLLER SET

20366-420

4820-01-051-2006POSSIBLE MATCH

VALVE ASSEMBLY

5340-01-103-6392POSSIBLE MATCH

SEAT,HELICAL COMPRESSION SPRING

20366-1200

5342-01-164-7130POSSIBLE MATCH

BRACKET,ANTI-ROTATION

20366-1210

4820-01-178-4882POSSIBLE MATCH

STEM,FLUID VALVE

20366-1180

4820-01-189-6655POSSIBLE MATCH

ADJUSTER,HOUSING

20366-450

Frequently Asked Questions

What is NSN 4820-01-042-9120?

NSN 4820-01-042-9120 is a Sleeve and Slide,directional Con, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-042-9120?

NSN 4820-01-042-9120 has 1 manufacturer part number on file: 20366-410 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-042-9120?

6 possible matches (shared part number, not a government interchangeability claim): 4820-01-044-1669, 4820-01-051-2006, 5340-01-103-6392. Verify interchangeability with system specifications before substitution.

What are the specifications of 20366-410?

Key specifications for 20366-410: Slide Material: STEEL; Sleeve Material: STEEL; Valve Design Control Activity: 78062. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-042-9120 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.

PartsTable Design LLC · partstable.com