PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-1-1-5Wrench,spanner

Celtech Corporation Div Use CAGE 65552 for All Orders · NSN 5120-00-840-0801 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-840-0801 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-840-0801. Primary manufacturer part number: 4-1-1-5.
Features
  • Wrench,spanner — FSC 5120
  • Opening Diameter: 4.250 INCHES NOMINAL IN
  • Pin Diameter: 0.436 INCHES NOMINAL IN
  • Style Designator: PIN
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Celtech Corporation Div Use CAGE 65552 for All Orders
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-00-840-0801, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Celtech Corporation Div Use CAGE 65552 for All Orders. Government technical data includes 4 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: Active.

Technical Specifications
ParameterValue
NSN5120-00-840-0801
Primary Part Number4-1-1-5
Item NameWrench,spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerCeltech Corporation Div Use CAGE 65552 for All Orders
StatusACTIVE
Opening Diameter4.250 INCHES NOMINAL IN
Pin Diameter0.436 INCHES NOMINAL IN
Style DesignatorPIN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4120-00-126-8871CTR01151 INTERCHANGEABLE
Control
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
3010-00-238-29621589-101P1 INTERCHANGEABLE
Gearcase-Motor
Raytheon Company Dba Raytheon Co
4530-00-276-9892 INTERCHANGEABLE
Plate,sprayer,oil Burner Atomize
8135-00-281-4115 INTERCHANGEABLE
Fiberboard,corrugated
2040-00-391-4443 INTERCHANGEABLE
Fairwater
6625-00-489-0603 INTERCHANGEABLE
Meter,special Scale
5999-00-647-057441-15 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
6515-00-660-00082158837-06 INTERCHANGEABLE
Blade,surgical Knife,detachable
The Lighthouse for the Blind Dba Lighthouse for the Blind
6115-00-792-25414115 INTERCHANGEABLE
Generator Set,diesel Engine
Asrc Federal Facilities Logistics, Llc
4820-00-884-815841-15 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Cross-Reference Index
Part NumberManufacturer
4-1-1-5 PRIMARY Celtech Corporation Div Use CAGE 65552 for All Orders (USA)
Related Parts
4120-00-126-8871INTERCHANGEABLE
CONTROL
CTR01151
3010-00-238-2962INTERCHANGEABLE
GEARCASE-MOTOR
1589-101P1
4530-00-276-9892INTERCHANGEABLE
PLATE,SPRAYER,OIL BURNER ATOMIZE
8135-00-281-4115INTERCHANGEABLE
FIBERBOARD,CORRUGATED
2040-00-391-4443INTERCHANGEABLE
FAIRWATER
6625-00-489-0603INTERCHANGEABLE
METER,SPECIAL SCALE
5999-00-647-0574INTERCHANGEABLE
DELAY LINE
41-15
6515-00-660-0008INTERCHANGEABLE
BLADE,SURGICAL KNIFE,DETACHABLE
2158837-06
6115-00-792-2541INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
4115
4820-00-884-8158INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
41-15
5331-00-965-5256INTERCHANGEABLE
O-RING
4115
6150-01-083-2014INTERCHANGEABLE
BUS,CONDUCTOR
4115

Frequently Asked Questions

What is NSN 5120-00-840-0801?

NSN 5120-00-840-0801 is a Wrench,spanner, manufactured by Celtech Corporation Div Use CAGE 65552 for All Orders, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-840-0801?

NSN 5120-00-840-0801 has 1 cross-referenced part number: 4-1-1-5 (Celtech Corporation Div Use CAGE 65552 for All Orders).

What NSN replaces 5120-00-840-0801?

There are 12 known substitutes for 5120-00-840-0801: 4120-00-126-8871, 3010-00-238-2962, 4530-00-276-9892 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-1-1-5?

Key specifications for 4-1-1-5: Opening Diameter: 4.250 INCHES NOMINAL IN; Pin Diameter: 0.436 INCHES NOMINAL IN; Style Designator: PIN; Material: STEEL OVERALL. 4 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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