PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST561Fixture Assembly,checking

Cummins Inc. · NSN 4910-00-977-7507 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-00-977-7507 — this item is cataloged by the U.S. Government under National Stock Number 4910-00-977-7507. Primary manufacturer part number: ST561.
Features
  • Fixture Assembly,checking — FSC 4910
  • General Characteristics Item Description: C10 6 COMPONENT PARTS;29.250 IN. LG,6 IN. W IN
  • 2 verified cross-references
  • Primary manufacturer: Cummins Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fixture Assembly,checking, cataloged under National Stock Number 4910-00-977-7507, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4910-00-977-7507
Primary Part NumberST561
Item NameFixture Assembly,checking
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
General Characteristics Item DescriptionC10 6 COMPONENT PARTS;29.250 IN. LG,6 IN. W IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3110-00-678-6400110L INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
5950-01-203-607911437194 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
ST561 PRIMARY Cummins Inc. (USA)
ST227 Cummins Inc. (USA)
Related Parts
3110-00-678-6400INTERCHANGEABLE
BEARING,BALL,ANNULAR
110L
5950-01-203-6079INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
11437194

Frequently Asked Questions

What is NSN 4910-00-977-7507?

NSN 4910-00-977-7507 is a Fixture Assembly,checking, manufactured by Cummins Inc., classified under FSC 4910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4910-00-977-7507?

NSN 4910-00-977-7507 has 2 cross-referenced part numbers: ST561 (Cummins Inc.), ST227 (Cummins Inc.).

What NSN replaces 4910-00-977-7507?

There are 2 known substitutes for 4910-00-977-7507: 3110-00-678-6400, 5950-01-203-6079. Verify interchangeability with system specifications before substitution.

What are the specifications of ST561?

Key specifications for ST561: General Characteristics Item Description: C10 6 COMPONENT PARTS;29.250 IN. LG,6 IN. W IN; End Item Identification: 1930007105728; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4910-00-977-7507 still in active supply?

NSN 4910-00-977-7507 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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