PartsTable TECHNICAL DATA SHEET

NSN 3040-01-198-3027Government record, cited

Piston, Linear Actuating Cylinder3040-01-198-3027

NSN 3040-01-198-3027 · NIIN 011983027

FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3040-01-198-3027 · 3040011983027 · NIIN 011983027 · 01-198-3027 · FSC 3040 Miscellaneous Power Transmission Equipment · 77682-72X3 PIECE 5 MOD · SSN637-125-2143949 · SSN637-125-2143949 PIECE 5 MOD · 77682-72X3

Nearby stock numbers ← 3040-01-198-3026 Cap, Linear Actuating Cylinder · 3040-01-198-3028 Piston, Linear Actuating Cylinder →

Features

Piston,linear Actuating Cylinder — FSC 3040
Outside Diameter: 1.5625 INCHES NOMINAL IN

Identification

NSN: 3040-01-198-3027
NIIN: 011983027
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-198-3027, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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	3040-01-198-3027
Item Name	Piston,linear Actuating Cylinder
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Outside Diameter	1.5625 INCHES NOMINAL IN

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 3

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

3040-01-205-946555N637-125-2143949 PIECE 4 POSSIBLE MATCH

ROD,PISTON,LINEAR ACTUATING CYLI

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

3040-01-263-397277682-72X3 PIECES 9,15,31 POSSIBLE MATCH

BUMPER ASSEMBLY

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-287-407977682-72X3 PIECES 3 AND 5 POSSIBLE MATCH

CYLINDER ASSEMBLY,ACTUATING,LINE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
77682-72X3 PIECE 5 MOD	3/2 Design control — primary reference U.S. Government activity
SSN637-125-2143949	D/9 Drawing number reference only U.S. Government activity
SSN637-125-2143949 PIECE 5 MOD	3/2 Design control — primary reference U.S. Government activity
77682-72X3	D/9 Drawing number reference only U.S. Government activity

Related Parts

3040-01-205-9465POSSIBLE MATCH

ROD,PISTON,LINEAR ACTUATING CYLI

55N637-125-2143949 PIECE 4

3040-01-263-3972POSSIBLE MATCH

BUMPER ASSEMBLY

77682-72X3 PIECES 9,15,31

3040-01-287-4079POSSIBLE MATCH

CYLINDER ASSEMBLY,ACTUATING,LINE

77682-72X3 PIECES 3 AND 5

Frequently Asked Questions

What is NSN 3040-01-198-3027?

NSN 3040-01-198-3027 is a Piston,linear Actuating Cylinder, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What NSN replaces 3040-01-198-3027?

3 possible matches (shared part number, not a government interchangeability claim): 3040-01-205-9465, 3040-01-263-3972, 3040-01-287-4079. Verify interchangeability with system specifications before substitution.

What are the specifications of 3040-01-198-3027?

Key specifications for 3040-01-198-3027: Outside Diameter: 1.5625 INCHES NOMINAL IN; Overall Length: 6.000 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 3040-01-198-3027 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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