PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L3Wrench,spanner

Cooper Industries Inc Crescent/cooper Tools Div · NSN 5120-00-288-8850 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-288-8850 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-288-8850. Primary manufacturer part number: L3.
Features
  • Wrench,spanner — FSC 5120
  • Lug Width: 0.250 INCHES NOMINAL IN
  • Circle Range Diameter: 2.000 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Style Designator: LUG
  • Lug Thickness: 0.375 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Cooper Industries Inc Crescent/cooper Tools Div
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-00-288-8850, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Cooper Industries Inc Crescent/cooper Tools Div. Government technical data includes 5 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-288-8850
Primary Part NumberL3
Item NameWrench,spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCooper Industries Inc Crescent/cooper Tools Div
StatusCANCELLED
Lug Width0.250 INCHES NOMINAL IN
Circle Range Diameter2.000 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Style DesignatorLUG
Lug Thickness0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9515-00-130-3534 INTERCHANGEABLE
Strip,metal
3455-00-140-3049155810 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
3120-00-168-0625L3 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
5120-00-189-29935120-00-189-2993 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5342-00-489-638652C8394-8 INTERCHANGEABLE
Pad,leveling
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
4240-00-691-5617L3 INTERCHANGEABLE
Protector,hearing
Honeywell Safety Products Usa, Inc.
5940-00-725-3658L3 INTERCHANGEABLE
Terminal Board
Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries
9150-00-973-9504L3 INTERCHANGEABLE
Penetrating Oil
Radiator Specialty Company
6140-01-024-8980 INTERCHANGEABLE
Battery,storage
6230-01-110-3829ELSQ INTERCHANGEABLE
Floodlight,electric
Lithonia Lighting National Services Industries Inc Div
Cross-Reference Index
Part NumberManufacturer
L3 Cooper Industries Inc Crescent/cooper Tools Div (USA)
Related Parts
9515-00-130-3534INTERCHANGEABLE
STRIP,METAL
3455-00-140-3049INTERCHANGEABLE
FILE,ROTARY
155810
3120-00-168-0625INTERCHANGEABLE
BEARING,SLEEVE
L3
5120-00-189-2993INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2993
5342-00-489-6386INTERCHANGEABLE
PAD,LEVELING
52C8394-8
4240-00-691-5617INTERCHANGEABLE
PROTECTOR,HEARING
L3
5940-00-725-3658INTERCHANGEABLE
TERMINAL BOARD
L3
9150-00-973-9504INTERCHANGEABLE
PENETRATING OIL
L3
6140-01-024-8980INTERCHANGEABLE
BATTERY,STORAGE
6230-01-110-3829INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
ELSQ
6625-01-133-1962INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
L3
5330-01-230-2452INTERCHANGEABLE
GASKET
L3

Frequently Asked Questions

What is NSN 5120-00-288-8850?

NSN 5120-00-288-8850 is a Wrench,spanner, manufactured by Cooper Industries Inc Crescent/cooper Tools Div, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-288-8850?

NSN 5120-00-288-8850 has 1 cross-referenced part number: L3 (Cooper Industries Inc Crescent/cooper Tools Div).

What NSN replaces 5120-00-288-8850?

There are 12 known substitutes for 5120-00-288-8850: 9515-00-130-3534, 3455-00-140-3049, 3120-00-168-0625 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L3?

Key specifications for L3: Overall Length: 10.125 INCHES NOMINAL IN; Lug Width: 0.250 INCHES NOMINAL IN; Circle Range Diameter: 2.000 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-288-8850 still in active supply?

NSN 5120-00-288-8850 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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