PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9803Wrench,spanner

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 5120-00-789-0121 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-789-0121 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-789-0121. Primary manufacturer part number: 9803.
Features
  • Wrench,spanner — FSC 5120
  • Opening Diameter: 8.813 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Hook Thickness: 0.313 INCHES NOMINAL IN
  • Style Designator: HOOK
  • Material: STEEL OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-00-789-0121, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5120-00-789-0121
Primary Part Number9803
Item NameWrench,spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Opening Diameter8.813 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Hook Thickness0.313 INCHES NOMINAL IN
Style DesignatorHOOK
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-032112601853 INTERCHANGEABLE
Cup,tapered Roller Bearing
U S Army Tank Automotive Command Amsta-Im-Mm
2910-00-218-1323 INTERCHANGEABLE
Pump,fuel
3439-00-270-377146S670 INTERCHANGEABLE
Brazing Alloy,silver
Naval Sea Systems Command
4130-00-276-04039803 INTERCHANGEABLE
Filter Element,air Conditioning
Research Products Corp
4130-00-289-8221124811-1 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
5935-00-402-7184 INTERCHANGEABLE
Connector,plug,electrical
4920-00-494-88909803 INTERCHANGEABLE
Indicator,unit Assy
Daytronic Corporation
4820-00-528-2356 INTERCHANGEABLE
Valve,check
5950-00-660-4871292-5016G1 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Corp
5930-00-727-4392 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
9803 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
CTM-140 Huntington Partners, Inc. Dba Continental Tool & Mfg. (USA)
9803 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3110-00-100-0321INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12601853
2910-00-218-1323INTERCHANGEABLE
PUMP,FUEL
3439-00-270-3771INTERCHANGEABLE
BRAZING ALLOY,SILVER
46S670
4130-00-276-0403INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
9803
4130-00-289-8221INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
124811-1
5935-00-402-7184INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4920-00-494-8890INTERCHANGEABLE
INDICATOR,UNIT ASSY
9803
4820-00-528-2356INTERCHANGEABLE
VALVE,CHECK
5950-00-660-4871INTERCHANGEABLE
TRANSFORMER,POWER
292-5016G1
5930-00-727-4392INTERCHANGEABLE
SWITCH,TOGGLE
6515-01-228-5849INTERCHANGEABLE
TUBE,CONNECTING,CONDOM CATHETER
9803
4920-01-304-2145INTERCHANGEABLE
INDICATOR,UNIT ASSEMBLY

Frequently Asked Questions

What is NSN 5120-00-789-0121?

NSN 5120-00-789-0121 is a Wrench,spanner, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-789-0121?

NSN 5120-00-789-0121 has 3 cross-referenced part numbers: 9803 (Lineta Engineering Und Handelsgesell-Schaft Mbh), CTM-140 (Huntington Partners, Inc. Dba Continental Tool & Mfg.), 9803 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 5120-00-789-0121?

There are 12 known substitutes for 5120-00-789-0121: 3110-00-100-0321, 2910-00-218-1323, 3439-00-270-3771 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9803?

Key specifications for 9803: Opening Diameter: 8.813 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL; Hook Thickness: 0.313 INCHES NOMINAL IN; Overall Length: 15.406 INCHES NOMINAL IN. 7 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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