PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR8Shaft,shock Wrench

Summit Tool Company · NSN 5120-00-373-1690 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-373-1690 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-373-1690. Primary manufacturer part number: TR8.
Features
  • Shaft,shock Wrench — FSC 5120
  • General Characteristics Item Description: 25-1/2 IN. LG; 6-3/4 LBS LBS
  • Functional Description: USED TO LOOSEN STUBBORN NUTS
  • 2 verified cross-references
  • Primary manufacturer: Summit Tool Company
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Shaft,shock Wrench, cataloged under National Stock Number 5120-00-373-1690, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Summit Tool Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-373-1690
Primary Part NumberTR8
Item NameShaft,shock Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSummit Tool Company
StatusACTIVE
General Characteristics Item Description25-1/2 IN. LG; 6-3/4 LBS LBS
Functional DescriptionUSED TO LOOSEN STUBBORN NUTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-058-9073TR8 INTERCHANGEABLE
Bearing,plain,rod End
Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
3110-00-155-8869056-9 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
5950-00-331-37828109309 INTERCHANGEABLE
Transformer
Us Army Aviation and Missile Command
5315-00-817-4066 INTERCHANGEABLE
Pin,quick Release
Cross-Reference Index
Part NumberManufacturer
TR8 PRIMARY Summit Tool Company (USA)
JP4150 Jari Div Year-a-Round Cab Corp (USA)
Related Parts
3120-00-058-9073INTERCHANGEABLE
BEARING,PLAIN,ROD END
TR8
3110-00-155-8869INTERCHANGEABLE
BEARING,BALL,ANNULAR
056-9
5950-00-331-3782INTERCHANGEABLE
TRANSFORMER
8109309
5315-00-817-4066INTERCHANGEABLE
PIN,QUICK RELEASE

Frequently Asked Questions

What is NSN 5120-00-373-1690?

NSN 5120-00-373-1690 is a Shaft,shock Wrench, manufactured by Summit Tool Company, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-373-1690?

NSN 5120-00-373-1690 has 2 cross-referenced part numbers: TR8 (Summit Tool Company), JP4150 (Jari Div Year-a-Round Cab Corp).

What NSN replaces 5120-00-373-1690?

There are 4 known substitutes for 5120-00-373-1690: 3120-00-058-9073, 3110-00-155-8869, 5950-00-331-3782 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TR8?

Key specifications for TR8: General Characteristics Item Description: 25-1/2 IN. LG; 6-3/4 LBS LBS; Functional Description: USED TO LOOSEN STUBBORN NUTS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com