PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-375Sling,endless

Hii Unmanned Systems, Inc · NSN 3940-01-619-5801 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-01-619-5801 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-619-5801. Primary manufacturer part number: 21-375.
Features
  • Sling,endless — FSC 3940
  • 1 verified cross-reference
  • Primary manufacturer: Hii Unmanned Systems, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sling,endless, cataloged under National Stock Number 3940-01-619-5801, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Hii Unmanned Systems, Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSling,endless
FSC / FSG3940 — No Item Name Available (FSG 39)
ManufacturersHii Unmanned Systems, Inc (CAGE 4Z5A9)
Technical Specifications
ParameterValue
NSN3940-01-619-5801
Primary Part Number21-375
Item NameSling,endless
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerHii Unmanned Systems, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-100-552921375 INTERCHANGEABLE
Bearing,roller,tapered
Fwd Seagrave Holdings Lp
5305-00-207-4527 INTERCHANGEABLE
Screw,cap,hexagon Head
6615-00-586-3098618-0005-001 INTERCHANGEABLE
Track,erector
Acron Aviation, Inc.
5340-01-095-184321375 INTERCHANGEABLE
Strap,retaining
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
7035-01-095-827921375 INTERCHANGEABLE
Mounting Bar,connec
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5935-01-116-746421375 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
6145-01-155-35475354 INTERCHANGEABLE
Cable,special Purpose,electrical
Almo Wire & Cable, Inc.
4320-01-226-158021375 INTERCHANGEABLE
Pump,centrifugal
Industrial Technologies and Services Llc
5950-01-407-307621375 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
Cross-Reference Index
Part NumberManufacturer
21-375 PRIMARY Hii Unmanned Systems, Inc (USA)
Related Parts
3110-00-100-5529INTERCHANGEABLE
BEARING,ROLLER,TAPERED
21375
5305-00-207-4527INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6615-00-586-3098INTERCHANGEABLE
TRACK,ERECTOR
618-0005-001
5340-01-095-1843INTERCHANGEABLE
STRAP,RETAINING
21375
7035-01-095-8279INTERCHANGEABLE
MOUNTING BAR,CONNEC
21375
5935-01-116-7464INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
21375
6145-01-155-3547INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5354
4320-01-226-1580INTERCHANGEABLE
PUMP,CENTRIFUGAL
21375
5950-01-407-3076INTERCHANGEABLE
TRANSFORMER,POWER
21375

Frequently Asked Questions

What is NSN 3940-01-619-5801?

NSN 3940-01-619-5801 is a Sling,endless, manufactured by Hii Unmanned Systems, Inc, classified under FSC 3940 (No Item Name Available). Status: active.

What are the part numbers for NSN 3940-01-619-5801?

NSN 3940-01-619-5801 has 1 cross-referenced part number: 21-375 (Hii Unmanned Systems, Inc).

What NSN replaces 3940-01-619-5801?

There are 9 known substitutes for 3940-01-619-5801: 3110-00-100-5529, 5305-00-207-4527, 6615-00-586-3098 and 6 more. Verify interchangeability with system specifications before substitution.

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