PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5129-2Twine,fibrous

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 4020-01-287-8780 · FSC 4020 · No Item Name Available
Verified by PartsTable
NSN 4020-01-287-8780 — this item is cataloged by the U.S. Government under National Stock Number 4020-01-287-8780. Primary manufacturer part number: 5129-2.
Features
  • Twine,fibrous — FSC 4020
  • 2 verified cross-references
  • Primary manufacturer: L3harris Technologies, Inc. Div Space and Airborne Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Twine,fibrous, cataloged under National Stock Number 4020-01-287-8780, is classified within Federal Supply Class 4020 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTwine,fibrous
FSC / FSG4020 — No Item Name Available (FSG 40)
ManufacturersL3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340)
Technical Specifications
ParameterValue
NSN4020-01-287-8780
Primary Part Number5129-2
Item NameTwine,fibrous
FSC / FSG4020 / 40 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-517-2334206-409 INTERCHANGEABLE
Gear,spur
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5950-00-881-07415-1292 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
6645-00-950-8599 INTERCHANGEABLE
Clock,panel
5950-01-058-973251-292 INTERCHANGEABLE
Reactor
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
5210-01-590-68064C8733 INTERCHANGEABLE
Gage,taper
Caterpillar Inc Div Caterpillar Defense
4730-01-664-803551292 INTERCHANGEABLE
Thread Piece,union
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
5129-2 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
105022-5 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
3020-00-517-2334INTERCHANGEABLE
GEAR,SPUR
206-409
5950-00-881-0741INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5-1292
6645-00-950-8599INTERCHANGEABLE
CLOCK,PANEL
5950-01-058-9732INTERCHANGEABLE
REACTOR
51-292
5210-01-590-6806INTERCHANGEABLE
GAGE,TAPER
4C8733
4730-01-664-8035INTERCHANGEABLE
THREAD PIECE,UNION
51292

Frequently Asked Questions

What is NSN 4020-01-287-8780?

NSN 4020-01-287-8780 is a Twine,fibrous, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 4020 (No Item Name Available). Status: active.

What are the part numbers for NSN 4020-01-287-8780?

NSN 4020-01-287-8780 has 2 cross-referenced part numbers: 5129-2 (L3harris Technologies, Inc. Div Space and Airborne Systems), 105022-5 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 4020-01-287-8780?

There are 6 known substitutes for 4020-01-287-8780: 3020-00-517-2334, 5950-00-881-0741, 6645-00-950-8599 and 3 more. Verify interchangeability with system specifications before substitution.

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