PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19111-1Adapter,piston,land

Northrop Grumman Systems Corporation · NSN 1620-01-012-1426 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-01-012-1426 — this item is cataloged by the U.S. Government under National Stock Number 1620-01-012-1426. Primary manufacturer part number: 19111-1.
Features
  • Adapter,piston,land — FSC 1620
  • Criticality Code Justification: FEAT
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Adapter,piston,land, cataloged under National Stock Number 1620-01-012-1426, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1620-01-012-1426
Primary Part Number19111-1
Item NameAdapter,piston,land
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Criticality Code JustificationFEAT
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-280-421919111 INTERCHANGEABLE
Reactor
Freed Transformer Co
2530-00-676-7838FD19112SS INTERCHANGEABLE
Cylinder Assembly,h
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6350-01-015-1203 INTERCHANGEABLE
Alarm Set,anti-Intrusion,restric
2930-01-168-791112340185 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Am General Llc
5962-01-186-9711932883-525 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5340-01-227-471919111 INTERCHANGEABLE
Plunger,detent
Level 10 Industries, Inc. Div Level 10 Industries
5305-01-383-8800 INTERCHANGEABLE
Screw,machine
5330-01-386-274220520 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4620-01-627-692419111 INTERCHANGEABLE
Cell,salinity Detector
Parker Hannifin Corporation Div Village Marine Tech
5325-01-631-040519111 INTERCHANGEABLE
Grommet,nonmetallic
Mission Systems Orchard Park Inc
Cross-Reference Index
Part NumberManufacturer
19111-1 PRIMARY Northrop Grumman Systems Corporation (USA)
19111-1 Goodrich Aerospace Canada Ltd (CAN)
19111 Northrop Grumman Systems Corporation (USA)
Related Parts
5950-00-280-4219INTERCHANGEABLE
REACTOR
19111
2530-00-676-7838INTERCHANGEABLE
CYLINDER ASSEMBLY,H
FD19112SS
6350-01-015-1203INTERCHANGEABLE
ALARM SET,ANTI-INTRUSION,RESTRIC
2930-01-168-7911INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
12340185
5962-01-186-9711INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932883-525
5340-01-227-4719INTERCHANGEABLE
PLUNGER,DETENT
19111
5305-01-383-8800INTERCHANGEABLE
SCREW,MACHINE
5330-01-386-2742INTERCHANGEABLE
SEAL,PLAIN ENCASED
20520
4620-01-627-6924INTERCHANGEABLE
CELL,SALINITY DETECTOR
19111
5325-01-631-0405INTERCHANGEABLE
GROMMET,NONMETALLIC
19111

Frequently Asked Questions

What is NSN 1620-01-012-1426?

NSN 1620-01-012-1426 is a Adapter,piston,land, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-01-012-1426?

NSN 1620-01-012-1426 has 3 cross-referenced part numbers: 19111-1 (Northrop Grumman Systems Corporation), 19111-1 (Goodrich Aerospace Canada Ltd), 19111 (Northrop Grumman Systems Corporation).

What NSN replaces 1620-01-012-1426?

There are 10 known substitutes for 1620-01-012-1426: 5950-00-280-4219, 2530-00-676-7838, 6350-01-015-1203 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19111-1?

Key specifications for 19111-1: Criticality Code Justification: FEAT; Surface Treatment: ANODIZE; Special Features: 4.950 IN. OD X 0.180 IN. LG FIRST END; 4.740 IN. MAX OD, 4.500 IN. MIN OD SECOND END; TWELVE HOLES EQUALLY SPACED, STAGGERED, 1.250 IN. DIA EA, IN THREE ROWS; 5.200 IN., 3.500 IN. AND 1.800 IN. FROM SECOND END; MACHINED SURFACES 6.30 AND 125.0 MICRO INCH FINISH IN; Material: ALUMINUM ALLOY. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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