PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

651-20Wrench,socket

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 5120-01-004-2660 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-004-2660 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-004-2660. Primary manufacturer part number: 651-20.
Features
  • Wrench,socket — FSC 5120
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,socket, cataloged under National Stock Number 5120-01-004-2660, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-004-2660
Primary Part Number651-20
Item NameWrench,socket
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-400-4545218511 INTERCHANGEABLE
Transistor
Fluke Corp
4320-00-812-5018B65122 INTERCHANGEABLE
Pump,hydraulic Ram,hand Driven
Shinn Fu Company of America, Inc.
5930-01-216-014265120 INTERCHANGEABLE
Switch,push
Blako Inc. Dba Blakeslee
Cross-Reference Index
Part NumberManufacturer
651-20 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
Related Parts
5961-00-400-4545INTERCHANGEABLE
TRANSISTOR
218511
4320-00-812-5018INTERCHANGEABLE
PUMP,HYDRAULIC RAM,HAND DRIVEN
B65122
5930-01-216-0142INTERCHANGEABLE
SWITCH,PUSH
65120

Frequently Asked Questions

What is NSN 5120-01-004-2660?

NSN 5120-01-004-2660 is a Wrench,socket, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-004-2660?

NSN 5120-01-004-2660 has 1 cross-referenced part number: 651-20 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).

What NSN replaces 5120-01-004-2660?

There are 3 known substitutes for 5120-01-004-2660: 5961-00-400-4545, 4320-00-812-5018, 5930-01-216-0142. Verify interchangeability with system specifications before substitution.

What are the specifications of 651-20?

Key specifications for 651-20: Material: STEEL OVERALL. 1 total characteristics are documented in the Federal Logistics Information System.

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