PartsTable TECHNICAL DATA SHEET

NSN 4820-01-270-4994Government record, cited

Stem, Fluid Valve4820-01-270-4994

NSN 4820-01-270-4994 · NIIN 012704994 · Part number NL-1111

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8FGX3

Government record, cited

NSN 4820-01-270-4994 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-270-4994. Manufacturer of record part number: NL-1111.

Also searched as 4820-01-270-4994 · 4820012704994 · NIIN 012704994 · 01-270-4994 · FSC 4820 Valves, Nonpowered · CAGE 8FGX3 · NL-1111 · S-1097 · S-1097 PIECE 5

Nearby stock numbers ← 4820-01-270-4993 Stem, Fluid Valve · 4820-01-270-4995 Ball, Valve, Ported →

4820-01-270-4994 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions

Identification

NSN: 4820-01-270-4994
NIIN: 012704994
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: NL-1111
Manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-270-4994, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-270-4994
Primary Part Number	NL-1111
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Status	ACTIVE
Material	STEEL

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 5

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

4820-01-270-5000NM0605-1 POSSIBLE MATCH

PISTON,VALVE

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions

2530-01-270-5022 POSSIBLE MATCH

CYLINDER ASSEMBLY,ACTUATING,LINE

Possible match (shared part number)

2530-01-270-5023 POSSIBLE MATCH

CYLINDER ASSEMBLY,ACTUATING,LINE

Possible match (shared part number)

4810-01-270-5024S-1097-1 POSSIBLE MATCH

ACTUATOR,HYDRAULIC-PNEUMATIC,LIN

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions

3040-01-270-8570NL1117-1 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions

Cross-Reference Index

Part Number	Manufacturer
NL-1111 PRIMARY	Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)

Reference documents

Reference	Meaning
S-1097	D/9 Drawing number reference only U.S. Government activity
S-1097 PIECE 5	5/9 Secondary reference U.S. Government activity
NL-1111	3/9 Design control — primary reference U.S. Government activity

Related Parts

4820-01-270-5000POSSIBLE MATCH

PISTON,VALVE

NM0605-1

2530-01-270-5022POSSIBLE MATCH

CYLINDER ASSEMBLY,ACTUATING,LINE

2530-01-270-5023POSSIBLE MATCH

CYLINDER ASSEMBLY,ACTUATING,LINE

4810-01-270-5024POSSIBLE MATCH

ACTUATOR,HYDRAULIC-PNEUMATIC,LIN

S-1097-1

3040-01-270-8570POSSIBLE MATCH

SHAFT,SHOULDERED

NL1117-1

Frequently Asked Questions

What is NSN 4820-01-270-4994?

NSN 4820-01-270-4994 is a Stem,fluid Valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-270-4994?

NSN 4820-01-270-4994 has 1 manufacturer part number on file: NL-1111 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).

What NSN replaces 4820-01-270-4994?

5 possible matches (shared part number, not a government interchangeability claim): 4820-01-270-5000, 2530-01-270-5022, 2530-01-270-5023. Verify interchangeability with system specifications before substitution.

What are the specifications of NL-1111?

Key specifications for NL-1111: Material: STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-270-4994 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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