NSN 2040-01-667-2920 · NIIN 016672920 · Part number 18918A
Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 4PTF3
Government record, cited
NSN 2040-01-667-2920 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-667-2920. Manufacturer of record part number: 18918A.
Also searched as2040-01-667-2920 ·
2040016672920 ·
NIIN 016672920 ·
01-667-2920 ·
FSC 2040 Marine Hardware and Hull Items · CAGE 4PTF3 · 18918A
Manufacturer of record: Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark
Identification
NSN: 2040-01-667-2920
NIIN: 016672920
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 18918A
Manufacturer: Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark
General Description
The Cylinder Assembly,reaction, cataloged under National Stock Number 2040-01-667-2920, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark. Government technical data includes 2 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2040-01-667-2920
Primary Part Number
18918A
Item Name
Cylinder Assembly,reaction
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark
Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark (USA)
No interchangeability data on file.
Other items in FSC 2040 — Marine Hardware and Hull Items
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2040-00-003-6975
ROLLER,CHOCK
2040-00-004-4739
2040-00-004-4739 · Item name not on file
2040-00-007-1136
HOOK,BOAT
2040-00-008-4790
PLATE,RUDDER
2040-00-008-4792
KEEL COOLER
2040-00-008-9796
PIN,PUSHING KNEE ASSEMBLY
2040-00-008-9797
GRATING ASSEMBLY,FORWARD PORT
2040-00-008-9798
GRATING ASSEMBLY,FORWARD STARBOA
Frequently Asked Questions
What is NSN 2040-01-667-2920?
NSN 2040-01-667-2920 is a Cylinder Assembly,reaction, manufactured by Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-667-2920?
NSN 2040-01-667-2920 has 1 manufacturer part number on file: 18918A (Gravois Aluminum Boats Llc Dba Metal Shark Boats Div Metal Shark).
What are the specifications of 18918A?
Key specifications for 18918A: Extended Length: 512.0 MILLIMETERS NOMINAL MM; End Item Identification: 29RBS GEN II HULL; Bore Diameter: 28.0 MILLIMETERS NOMINAL MM. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-667-2920 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.