PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-127Sling,endless

Hii Unmanned Systems, Inc · NSN 3940-01-619-5805 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-01-619-5805 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-619-5805. Primary manufacturer part number: 21-127.
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 3940-01-619-5805, 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. 8 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
NSN3940-01-619-5805
Primary Part Number21-127
Item NameSling,endless
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerHii Unmanned Systems, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6140-00-033-9659021127-000 INTERCHANGEABLE
Battery,storage
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
6210-00-152-3877 INTERCHANGEABLE
Light,indicator
2990-00-679-60721914 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5820-01-071-702021127 INTERCHANGEABLE
Transmitter Assembly,radio
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5998-01-095-836021127 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5330-01-145-600121127 INTERCHANGEABLE
Packing
Industrial Technologies and Services Llc
5930-01-389-30330-00340-016 INTERCHANGEABLE
Push Button
Stanford Research Systems Inc. Dba Stanford Research Systems Inc
5340-01-506-4530 INTERCHANGEABLE
Panel,blank
Cross-Reference Index
Part NumberManufacturer
21-127 PRIMARY Hii Unmanned Systems, Inc (USA)
Related Parts
6140-00-033-9659INTERCHANGEABLE
BATTERY,STORAGE
021127-000
6210-00-152-3877INTERCHANGEABLE
LIGHT,INDICATOR
2990-00-679-6072INTERCHANGEABLE
MUFFLER,EXHAUST
1914
5820-01-071-7020INTERCHANGEABLE
TRANSMITTER ASSEMBLY,RADIO
21127
5998-01-095-8360INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21127
5330-01-145-6001INTERCHANGEABLE
PACKING
21127
5930-01-389-3033INTERCHANGEABLE
PUSH BUTTON
0-00340-016
5340-01-506-4530INTERCHANGEABLE
PANEL,BLANK

Frequently Asked Questions

What is NSN 3940-01-619-5805?

NSN 3940-01-619-5805 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 3940-01-619-5805?

NSN 3940-01-619-5805 has 1 cross-referenced part number: 21-127 (Hii Unmanned Systems, Inc).

What NSN replaces 3940-01-619-5805?

There are 8 known substitutes for 3940-01-619-5805: 6140-00-033-9659, 6210-00-152-3877, 2990-00-679-6072 and 5 more. Verify interchangeability with system specifications before substitution.

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