PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R440-5Ball,float

Robert Manufacturing Company Inc · NSN 4940-00-056-1019 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-056-1019 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-056-1019. Primary manufacturer part number: R440-5.
Features
  • Ball,float — FSC 4940
  • 2 verified cross-references
  • Primary manufacturer: Robert Manufacturing Company Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Ball,float, cataloged under National Stock Number 4940-00-056-1019, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Robert Manufacturing Company Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBall,float
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersRobert Manufacturing Company Inc (CAGE 77844)
Technical Specifications
ParameterValue
NSN4940-00-056-1019
Primary Part NumberR440-5
Item NameBall,float
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerRobert Manufacturing Company Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6515-00-103-66596530001036659 INTERCHANGEABLE
Surgical Pack,disposable
In-Sight Dba in Sight Enterprises
5120-00-133-0577 INTERCHANGEABLE
Die,crimping Tool
5331-00-167-51102-121V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
3810-00-220-50737-576-000004 INTERCHANGEABLE
Latch Kit Hook
Grove U.s. Llc Dba Grove Us Llc
5120-00-243-7326 INTERCHANGEABLE
Extension,socket Wrench
5120-00-287-25084405 INTERCHANGEABLE
Adapter,socket,crowfoot Socket W
Wta Tool Llc
5930-00-503-4203272BP10M0DEL4405 INTERCHANGEABLE
Switch,pressure
Johnson Controls Inc Control Products Div
5920-00-584-4592SM-B-210031 INTERCHANGEABLE
Fuseholder,block
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-629-87104405 INTERCHANGEABLE
Valve,lift-Check
Tactair Fluid Controls Inc
5950-00-672-9318 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
R440-5 PRIMARY Robert Manufacturing Company Inc (USA)
440-5 Robert Manufacturing Company Inc (USA)
Related Parts
6515-00-103-6659INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
6530001036659
5120-00-133-0577INTERCHANGEABLE
DIE,CRIMPING TOOL
5331-00-167-5110INTERCHANGEABLE
O-RING
2-121V0747-75
3810-00-220-5073INTERCHANGEABLE
LATCH KIT HOOK
7-576-000004
5120-00-243-7326INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-287-2508INTERCHANGEABLE
ADAPTER,SOCKET,CROWFOOT SOCKET W
4405
5930-00-503-4203INTERCHANGEABLE
SWITCH,PRESSURE
272BP10M0DEL4405
5920-00-584-4592INTERCHANGEABLE
FUSEHOLDER,BLOCK
SM-B-210031
4820-00-629-8710INTERCHANGEABLE
VALVE,LIFT-CHECK
4405
5950-00-672-9318INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-00-705-9396INTERCHANGEABLE
TRANSFORMER,POWER
722801-14
8125-00-933-4414INTERCHANGEABLE
BOTTLE,SCREW CAP
986590

Frequently Asked Questions

What is NSN 4940-00-056-1019?

NSN 4940-00-056-1019 is a Ball,float, manufactured by Robert Manufacturing Company Inc, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-056-1019?

NSN 4940-00-056-1019 has 2 cross-referenced part numbers: R440-5 (Robert Manufacturing Company Inc), 440-5 (Robert Manufacturing Company Inc).

What NSN replaces 4940-00-056-1019?

There are 12 known substitutes for 4940-00-056-1019: 6515-00-103-6659, 5120-00-133-0577, 5331-00-167-5110 and 9 more. Verify interchangeability with system specifications before substitution.

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