NSN 2040-01-172-9519 · NIIN 011729519 · Part number 6501-12PC67
Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 43689
Government record, cited
NSN 2040-01-172-9519 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-172-9519. Manufacturer of record part number: 6501-12PC67.
Also searched as2040-01-172-9519 ·
2040011729519 ·
NIIN 011729519 ·
01-172-9519 ·
FSC 2040 Marine Hardware and Hull Items · CAGE 43689 · 6501-12PC67 · 6501-12 PIECE 6
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 2040-01-172-9519
NIIN: 011729519
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
Primary part number: 6501-12PC67
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Piston, cataloged under National Stock Number 2040-01-172-9519, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2040-01-172-9519
Primary Part Number
6501-12PC67
Item Name
Piston
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
6501-12 PIECE 6
C/1Advisory reference — outside the item-of-supply concept
Aluf Industries Inc
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.
2040-00-030-8331
LENS ASSEMBLY,PERIS
2040-00-349-6785
2040-00-349-6785 · Item name not on file
2040-00-361-3924
2040-00-361-3924 · Item name not on file
2040-00-368-5901
2040-00-368-5901 · Item name not on file
2040-00-385-8796
BOX,STUFFING
2040-00-385-9234
2040-00-385-9234 · Item name not on file
2040-00-391-4442
FAIRWATER
2040-00-393-3850
STRAINER,INTAKE
Frequently Asked Questions
What is NSN 2040-01-172-9519?
NSN 2040-01-172-9519 is a Piston, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-172-9519?
NSN 2040-01-172-9519 has 1 manufacturer part number on file: 6501-12PC67 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What are the specifications of 6501-12PC67?
Key specifications for 6501-12PC67: End Item Identification: MARINE HARDWARE AND HULL ITEMS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2040-01-172-9519 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.