PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

287Z780-1Rope,fibrous

Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems · NSN 4020-00-560-7732 · FSC 4020 · No Item Name Available
Verified by PartsTable
NSN 4020-00-560-7732 — this item is cataloged by the U.S. Government under National Stock Number 4020-00-560-7732. Primary manufacturer part number: 287Z780-1.
Features
  • Rope,fibrous — FSC 4020
  • Circumference: 1.750 INCHES NOMINAL IN
  • Color: NATURAL
  • Length Per Ten Turns: 5.455 INCHES NOMINAL IN
  • Material Document and Classification: UNABLE TO DECODE
  • Physical Form: REEL
  • Length: 400.000 YARDS MINIMUM
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
Applications
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Rope,fibrous, cataloged under National Stock Number 4020-00-560-7732, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4020-00-560-7732
Primary Part Number287Z780-1
Item NameRope,fibrous
FSC / FSG4020 / 40 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
StatusACTIVE
Circumference1.750 INCHES NOMINAL IN
ColorNATURAL
Length Per Ten Turns5.455 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
Physical FormREEL
Length400.000 YARDS MINIMUM
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Strand Quantity3
Breaking StrengthERR-060
Fabrication MethodTWISTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-194-3081820Z INTERCHANGEABLE
Jack,telephone
Switchcraft Inc.
4910-00-243-1299336UN INTERCHANGEABLE
Grinding Kit,valve Seat,electric
Black and Decker Us Inc
6145-00-243-58343582 INTERCHANGEABLE
Wire,electrical
Southwire Company Douglas Plant
3110-00-257-3667R9-1665-1B INTERCHANGEABLE
Bearing,ball,annular
Roller Bearing Company of America, Inc.
3010-00-447-3578597 INTERCHANGEABLE
Coupling,shaft,univ
Komatsu America Corporation
6625-00-649-3681907-33 INTERCHANGEABLE
Ammeter
Jewell Instruments Llc
5120-00-894-1718597 INTERCHANGEABLE
Pliers
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5940-00-945-0289597-120 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5355-01-103-3258 INTERCHANGEABLE
Knob
3120-01-197-9319597 INTERCHANGEABLE
Bushing,sleeve
Lowensten W W
Cross-Reference Index
Part NumberManufacturer
287Z780-1 Goodyear Tire and Rubber Co the (USA)
MILR17343 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
597 Columbian Rope Co (USA)
287Z780-1 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
Related Parts
5935-00-194-3081INTERCHANGEABLE
JACK,TELEPHONE
820Z
4910-00-243-1299INTERCHANGEABLE
GRINDING KIT,VALVE SEAT,ELECTRIC
336UN
6145-00-243-5834INTERCHANGEABLE
WIRE,ELECTRICAL
3582
3110-00-257-3667INTERCHANGEABLE
BEARING,BALL,ANNULAR
R9-1665-1B
3010-00-447-3578INTERCHANGEABLE
COUPLING,SHAFT,UNIV
597
6625-00-649-3681INTERCHANGEABLE
AMMETER
907-33
5120-00-894-1718INTERCHANGEABLE
PLIERS
597
5940-00-945-0289INTERCHANGEABLE
TERMINAL,LUG
597-120
5355-01-103-3258INTERCHANGEABLE
KNOB
3120-01-197-9319INTERCHANGEABLE
BUSHING,SLEEVE
597
5940-01-310-3291INTERCHANGEABLE
TERMINAL,LUG
597
4730-01-311-4163INTERCHANGEABLE
REDUCER,TUBE

Frequently Asked Questions

What is NSN 4020-00-560-7732?

NSN 4020-00-560-7732 is a Rope,fibrous, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 4020 (No Item Name Available). Status: active.

What are the part numbers for NSN 4020-00-560-7732?

NSN 4020-00-560-7732 has 4 cross-referenced part numbers: 287Z780-1 (Goodyear Tire and Rubber Co the), MILR17343 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 597 (Columbian Rope Co), 287Z780-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).

What NSN replaces 4020-00-560-7732?

There are 12 known substitutes for 4020-00-560-7732: 5935-00-194-3081, 4910-00-243-1299, 6145-00-243-5834 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 287Z780-1?

Key specifications for 287Z780-1: Circumference: 1.750 INCHES NOMINAL IN; Color: NATURAL; Length Per Ten Turns: 5.455 INCHES NOMINAL IN; Material Document and Classification: UNABLE TO DECODE. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com