PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-335Sling,endless

Hii Unmanned Systems, Inc · NSN 3940-01-619-5797 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-01-619-5797 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-619-5797. Primary manufacturer part number: 21-335.
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 3940-01-619-5797, 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
NSN3940-01-619-5797
Primary Part Number21-335
Item NameSling,endless
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerHii Unmanned Systems, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9540-00-288-3751 INTERCHANGEABLE
Angle,structural
5950-00-426-6682989111-30B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5945-00-906-3532 INTERCHANGEABLE
Contact,set
5961-01-112-662721335 INTERCHANGEABLE
Semiconductor Device Assembly
Varo Llc
4820-01-419-254021335-001 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-419-261921335-850-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4730-01-440-239521335 INTERCHANGEABLE
Plug,pipe
Paccar Winch Inc Dba Paccar Winch Division
3110-01-516-809121335 INTERCHANGEABLE
Bearing,ball,annular
Rtx Corporation Div Pratt & Whitney
Cross-Reference Index
Part NumberManufacturer
21-335 PRIMARY Hii Unmanned Systems, Inc (USA)
Related Parts
9540-00-288-3751INTERCHANGEABLE
ANGLE,STRUCTURAL
5950-00-426-6682INTERCHANGEABLE
COIL,RADIO FREQUENCY
989111-30B
5945-00-906-3532INTERCHANGEABLE
CONTACT,SET
5961-01-112-6627INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
21335
4820-01-419-2540INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
21335-001
4820-01-419-2619INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21335-850-1
4730-01-440-2395INTERCHANGEABLE
PLUG,PIPE
21335
3110-01-516-8091INTERCHANGEABLE
BEARING,BALL,ANNULAR
21335

Frequently Asked Questions

What is NSN 3940-01-619-5797?

NSN 3940-01-619-5797 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 3940-01-619-5797?

NSN 3940-01-619-5797 has 1 cross-referenced part number: 21-335 (Hii Unmanned Systems, Inc).

What NSN replaces 3940-01-619-5797?

There are 8 known substitutes for 3940-01-619-5797: 9540-00-288-3751, 5950-00-426-6682, 5945-00-906-3532 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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