PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST771Puller,mechanical

Cummins Inc. · NSN 5120-00-977-7528 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-977-7528 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-977-7528. Primary manufacturer part number: ST771.
Features
  • Puller,mechanical — FSC 5120
  • Engaging Tap Quantity: 1
  • Engaging Tap Spread Range: 1.190 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
  • FSC Application Data: PULLER,MECHANICAL,EXCEPT EXPLOSIVE ORDINANCE DISPOSAL TYPE
  • Style Designator: BEARING AND BUSHING, INSTALLING AND REMOVING, ENGAGING TAP, LIGHT DUTY
  • 3 verified cross-references
  • Primary manufacturer: Cummins Inc.
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Puller,mechanical, cataloged under National Stock Number 5120-00-977-7528, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-977-7528
Primary Part NumberST771
Item NamePuller,mechanical
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Engaging Tap Quantity1
Engaging Tap Spread Range1.190 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
FSC Application DataPULLER,MECHANICAL,EXCEPT EXPLOSIVE ORDINANCE DISPOSAL TYPE
Style DesignatorBEARING AND BUSHING, INSTALLING AND REMOVING, ENGAGING TAP, LIGHT DUTY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-100-07531519 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Mitsubishi Caterpillar Forklift America, Inc
Cross-Reference Index
Part NumberManufacturer
ST908 Cummins Inc. (USA)
11600093 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
ST771 PRIMARY Cummins Inc. (USA)
Related Parts
3110-00-100-0753INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1519

Frequently Asked Questions

What is NSN 5120-00-977-7528?

NSN 5120-00-977-7528 is a Puller,mechanical, manufactured by Cummins Inc., classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-977-7528?

NSN 5120-00-977-7528 has 3 cross-referenced part numbers: ST908 (Cummins Inc.), 11600093 (U S Army Tank Automotive Command Amsta-Im-Mm), ST771 (Cummins Inc.).

What NSN replaces 5120-00-977-7528?

There is 1 known substitute for 5120-00-977-7528: 3110-00-100-0753. Verify interchangeability with system specifications before substitution.

What are the specifications of ST771?

Key specifications for ST771: Engaging Tap Quantity: 1; Engaging Tap Spread Range: 1.190 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN; FSC Application Data: PULLER,MECHANICAL,EXCEPT EXPLOSIVE ORDINANCE DISPOSAL TYPE; Style Designator: BEARING AND BUSHING, INSTALLING AND REMOVING, ENGAGING TAP, LIGHT DUTY. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-977-7528 still in active supply?

NSN 5120-00-977-7528 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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