PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49503Slide Cup Adjustabl

Keuffel and Esser Co · NSN 4920-00-186-8586 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-186-8586 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-186-8586. Primary manufacturer part number: 49503.
Features
  • Slide Cup Adjustabl — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Keuffel and Esser Co
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Slide Cup Adjustabl, cataloged under National Stock Number 4920-00-186-8586, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Keuffel and Esser Co. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSlide Cup Adjustabl
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersKeuffel and Esser Co (CAGE 74067); Brunson Instrument Company Dba Brunson Instrument Company (CAGE 66796)
Technical Specifications
ParameterValue
NSN4920-00-186-8586
Primary Part Number49503
Item NameSlide Cup Adjustabl
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerKeuffel and Esser Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-050-4208SAE-AS15003-1P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5995-00-164-7954 INTERCHANGEABLE
Cord and Cover,headband
8040-00-560-925449-503 INTERCHANGEABLE
Adhesive
Delta Intl Machinery Corp
5360-01-037-71274950-3-G INTERCHANGEABLE
Spring,helical,compression
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5930-01-200-745949503 INTERCHANGEABLE
Switch Subassembly
Setra Systems, Inc. Dba Gems Sensors
1670-01-674-5439495-03 INTERCHANGEABLE
Frame,rescue,helicopter
Lifesaving Systems Llc
Cross-Reference Index
Part NumberManufacturer
49503 PRIMARY Keuffel and Esser Co (USA)
49503 Brunson Instrument Company Dba Brunson Instrument Company (USA)
Related Parts
4730-00-050-4208INTERCHANGEABLE
FITTING,LUBRICATION
SAE-AS15003-1P
5995-00-164-7954INTERCHANGEABLE
CORD AND COVER,HEADBAND
8040-00-560-9254INTERCHANGEABLE
ADHESIVE
49-503
5360-01-037-7127INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4950-3-G
5930-01-200-7459INTERCHANGEABLE
SWITCH SUBASSEMBLY
49503
1670-01-674-5439INTERCHANGEABLE
FRAME,RESCUE,HELICOPTER
495-03

Frequently Asked Questions

What is NSN 4920-00-186-8586?

NSN 4920-00-186-8586 is a Slide Cup Adjustabl, manufactured by Keuffel and Esser Co, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-186-8586?

NSN 4920-00-186-8586 has 2 cross-referenced part numbers: 49503 (Keuffel and Esser Co), 49503 (Brunson Instrument Company Dba Brunson Instrument Company).

What NSN replaces 4920-00-186-8586?

There are 6 known substitutes for 4920-00-186-8586: 4730-00-050-4208, 5995-00-164-7954, 8040-00-560-9254 and 3 more. Verify interchangeability with system specifications before substitution.

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