General Characteristics Item Description: NI-CU,MIL-T-1368,TYPE 1,COND 2;3.500 IN. DIA IN
Identification
NSN: 3040-01-204-8019
NIIN: 012048019
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Cylinder,upper, cataloged under National Stock Number 3040-01-204-8019, 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1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-204-8019
Item Name
Cylinder,upper
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
General Characteristics Item Description
NI-CU,MIL-T-1368,TYPE 1,COND 2;3.500 IN. DIA 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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-204-802076682-37X8 PIECE 1POSSIBLE MATCH
CYLINDER,LOWER
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-204-807476682-37X8 PIECE 7POSSIBLE MATCH
PISTON,LINEAR ACTUATING CYLINDER
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-204-807676682-37X8 PIECE 21POSSIBLE MATCH
ROD,PISTON,LINEAR ACTUATING CYLI
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-204-807776682-37X8 PIECE 8POSSIBLE MATCH
ROD,PISTON,LINEAR ACTUATING CYLI
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
SSBN640-522-2119046 PIECE 3
5/2Secondary reference
U.S. Government activity
76682-37X8
D/9Drawing number reference only
U.S. Government activity
76682-37X8 PIECE 3
3/2Design control — primary reference
U.S. Government activity
SSBN640-522-2119046
D/9Drawing number reference only
U.S. Government activity
Related Parts
3040-01-204-8020POSSIBLE MATCH
CYLINDER,LOWER
76682-37X8 PIECE 1
3040-01-204-8074POSSIBLE MATCH
PISTON,LINEAR ACTUATING CYLINDER
76682-37X8 PIECE 7
3040-01-204-8076POSSIBLE MATCH
ROD,PISTON,LINEAR ACTUATING CYLI
76682-37X8 PIECE 21
3040-01-204-8077POSSIBLE MATCH
ROD,PISTON,LINEAR ACTUATING CYLI
76682-37X8 PIECE 8
Frequently Asked Questions
What is NSN 3040-01-204-8019?
NSN 3040-01-204-8019 is a Cylinder,upper, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-01-204-8019?
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-204-8020, 3040-01-204-8074, 3040-01-204-8076. Verify interchangeability with system specifications before substitution.
What are the specifications of 3040-01-204-8019?
Key specifications for 3040-01-204-8019: General Characteristics Item Description: NI-CU,MIL-T-1368,TYPE 1,COND 2;3.500 IN. DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 3040-01-204-8019 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.