PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11509Idler Assembly

Omex · NSN 4935-00-978-9779 · FSC 4935 · No Item Name Available
Verified by PartsTable
NSN 4935-00-978-9779 — this item is cataloged by the U.S. Government under National Stock Number 4935-00-978-9779. Primary manufacturer part number: 11509.
Features
  • Idler Assembly — FSC 4935
  • 1 verified cross-reference
  • Primary manufacturer: Omex
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Idler Assembly, cataloged under National Stock Number 4935-00-978-9779, is classified within Federal Supply Class 4935 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Omex. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameIdler Assembly
FSC / FSG4935 — No Item Name Available (FSG 49)
ManufacturersOmex (CAGE 09269)
Technical Specifications
ParameterValue
NSN4935-00-978-9779
Primary Part Number11509
Item NameIdler Assembly
FSC / FSG4935 / 49 — No Item Name Available
ManufacturerOmex
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-183-5759R455-6 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
5133-00-236-4043 INTERCHANGEABLE
Drill,twist
5945-00-257-690055A6334CHANGE12ITEM6 INTERCHANGEABLE
Relay,electromagnetic
Westinghouse Electric Corp
2520-00-311-524411509 INTERCHANGEABLE
Eye,bolt,clutch
Sachs-Boge of America
5360-00-316-5519 INTERCHANGEABLE
Spring,limit Switch
5815-00-356-3340SC-B-69640 INTERCHANGEABLE
Bar,selector,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3830-00-371-61021L INTERCHANGEABLE
Shank-Tooth,surface Ripping
H & L Tooth Company Dba H & L Forge
4320-00-911-225511509 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
5331-01-174-86185740099 INTERCHANGEABLE
O-Ring
Am General Llc
5975-01-176-344711509 INTERCHANGEABLE
Hanger,cable
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
11509 Omex (USA)
Related Parts
3110-00-183-5759INTERCHANGEABLE
BEARING,BALL,ANNULAR
R455-6
5133-00-236-4043INTERCHANGEABLE
DRILL,TWIST
5945-00-257-6900INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
55A6334CHANGE12ITEM6
2520-00-311-5244INTERCHANGEABLE
EYE,BOLT,CLUTCH
11509
5360-00-316-5519INTERCHANGEABLE
SPRING,LIMIT SWITCH
5815-00-356-3340INTERCHANGEABLE
BAR,SELECTOR,TELETYPEWRITER
SC-B-69640
3830-00-371-6102INTERCHANGEABLE
SHANK-TOOTH,SURFACE RIPPING
1L
4320-00-911-2255INTERCHANGEABLE
RING,WEARING
11509
5331-01-174-8618INTERCHANGEABLE
O-RING
5740099
5975-01-176-3447INTERCHANGEABLE
HANGER,CABLE
11509

Frequently Asked Questions

What is NSN 4935-00-978-9779?

NSN 4935-00-978-9779 is a Idler Assembly, manufactured by Omex, classified under FSC 4935 (No Item Name Available). Status: active.

What are the part numbers for NSN 4935-00-978-9779?

NSN 4935-00-978-9779 has 1 cross-referenced part number: 11509 (Omex).

What NSN replaces 4935-00-978-9779?

There are 10 known substitutes for 4935-00-978-9779: 3110-00-183-5759, 5133-00-236-4043, 5945-00-257-6900 and 7 more. Verify interchangeability with system specifications before substitution.

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