PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

175120Plunger Tube Assembly,main Landi

Lockheed Martin Corp · NSN 1620-00-124-3877 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-124-3877 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-124-3877. Primary manufacturer part number: 175120.
Features
  • Plunger Tube Assembly,main Landi — FSC 1620
  • General Characteristics Item Description: NE8630 STEEL;16.938 IN. LG;3.125 IN. DIA ON ONE END;2.303 IN. DIA ON SMALLER END;W/1.750-16NS-3 THD;2.250-12NS-3 THD;TWO HOLES IN LINE ON ONE TUBE END,1.850 IN. FROM END,0.250 IN. DIA; SIX EQUALLY SPACED HOLES,0.241 IN. DIA,2.750 IN. APART;THREE 0.438 IN. DIA HOLES EQUALLY SPACED ON LINE IN
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Plunger Tube Assembly,main Landi, cataloged under National Stock Number 1620-00-124-3877, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1620-00-124-3877
Primary Part Number175120
Item NamePlunger Tube Assembly,main Landi
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
General Characteristics Item DescriptionNE8630 STEEL;16.938 IN. LG;3.125 IN. DIA ON ONE END;2.303 IN. DIA ON SMALLER END;W/1.750-16NS-3 THD;2.250-12NS-3 THD;TWO HOLES IN LINE ON ONE TUBE END,1.850 IN. FROM END,0.250 IN. DIA; SIX EQUALLY SPACED HOLES,0.241 IN. DIA,2.750 IN. APART;THREE 0.438 IN. DIA HOLES EQUALLY SPACED ON LINE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-159-02431JA2597-19 INTERCHANGEABLE
Terminal,stud
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3530-00-359-7943 INTERCHANGEABLE
Lever,vibrating
1650-01-564-9808175120 INTERCHANGEABLE
Accumulator,hydraulic
Fleet Readiness Center Southwest
Cross-Reference Index
Part NumberManufacturer
175120 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5940-00-159-0243INTERCHANGEABLE
TERMINAL,STUD
1JA2597-19
3530-00-359-7943INTERCHANGEABLE
LEVER,VIBRATING
1650-01-564-9808INTERCHANGEABLE
ACCUMULATOR,HYDRAULIC
175120

Frequently Asked Questions

What is NSN 1620-00-124-3877?

NSN 1620-00-124-3877 is a Plunger Tube Assembly,main Landi, manufactured by Lockheed Martin Corp, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-00-124-3877?

NSN 1620-00-124-3877 has 1 cross-referenced part number: 175120 (Lockheed Martin Corp).

What NSN replaces 1620-00-124-3877?

There are 3 known substitutes for 1620-00-124-3877: 5940-00-159-0243, 3530-00-359-7943, 1650-01-564-9808. Verify interchangeability with system specifications before substitution.

What are the specifications of 175120?

Key specifications for 175120: General Characteristics Item Description: NE8630 STEEL;16.938 IN. LG;3.125 IN. DIA ON ONE END;2.303 IN. DIA ON SMALLER END;W/1.750-16NS-3 THD;2.250-12NS-3 THD;TWO HOLES IN LINE ON ONE TUBE END,1.850 IN. FROM END,0.250 IN. DIA; SIX EQUALLY SPACED HOLES,0.241 IN. DIA,2.750 IN. APART;THREE 0.438 IN. DIA HOLES EQUALLY SPACED ON LINE IN. 1 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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