PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7442433P1Wrench,open End

General Electric Company · NSN 5120-00-277-1251 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1251 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1251. Primary manufacturer part number: 7442433P1.
Features
  • Wrench,open End — FSC 5120
  • Surface Treatment: ENAMEL AND CHROMIUM OVERALL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Head Thickness: 0.562 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Style Designator: SINGLE HEAD
  • Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-277-1251, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Electric Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 manufacturers, 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
NSN5120-00-277-1251
Primary Part Number7442433P1
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Surface TreatmentENAMEL AND CHROMIUM OVERALL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Head Thickness0.562 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Head Angle15.0 DEGREES NOMINAL
Style DesignatorSINGLE HEAD
Wrenching Surface Size1.000 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5360-00-023-1659 INTERCHANGEABLE
Spring,special
5440-00-061-8895FE3232 INTERCHANGEABLE
Ladder,extension
Louisville Ladder Inc
4720-00-318-11128013701 INTERCHANGEABLE
Hose Assembly,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-359-550200-291824 INTERCHANGEABLE
Push Button
Itw Food Equipment Group Llc Dba Hobart Service
5930-00-642-9082310-32 INTERCHANGEABLE
Switch,rotary
Keysight Technologies Inc
2920-00-891-094531032 INTERCHANGEABLE
Coil Assembly,regul
Prestolite Electric Inc
4820-00-948-3516310A-26/TAP/254E-1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Proconex Inc
5330-01-083-871330746A INTERCHANGEABLE
Packing,preformed
Dressta North America Ltd
4920-01-089-0446B3103 INTERCHANGEABLE
Interrupter Set
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
5940-01-166-8567451209-AC INTERCHANGEABLE
Terminal,quick Disconnect
Essex Brownell Inc. Div Essex Group Inc
Cross-Reference Index
Part NumberManufacturer
7442433P1 General Electric Company (USA)
706-1IN Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
31-032 Armstrong Bros Tool Co (USA)
7442433P1 Lockheed Martin Corporation Div Rms (USA)
A-A-1357 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
2-98-31D Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
31-032 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
31-032 Apex Tool Group, Llc Dba Nicholson (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-636 TY5 General Services Administration Federal Supply Service (USA)
706 Ducommun Metals Co (USA)
80137-01 Black and Decker /us/ Inc Dewalt Div (USA)
Related Parts
5360-00-023-1659INTERCHANGEABLE
SPRING,SPECIAL
5440-00-061-8895INTERCHANGEABLE
LADDER,EXTENSION
FE3232
4720-00-318-1112INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
8013701
5930-00-359-5502INTERCHANGEABLE
PUSH BUTTON
00-291824
5930-00-642-9082INTERCHANGEABLE
SWITCH,ROTARY
310-32
2920-00-891-0945INTERCHANGEABLE
COIL ASSEMBLY,REGUL
31032
4820-00-948-3516INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
310A-26/TAP/254E-1
5330-01-083-8713INTERCHANGEABLE
PACKING,PREFORMED
30746A
4920-01-089-0446INTERCHANGEABLE
INTERRUPTER SET
B3103
5940-01-166-8567INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
451209-AC
4920-01-173-4538INTERCHANGEABLE
INTERRUPTER
B3103-2
7045-01-342-1567INTERCHANGEABLE
CASE,COMPUTER

Frequently Asked Questions

What is NSN 5120-00-277-1251?

NSN 5120-00-277-1251 is a Wrench,open End, manufactured by General Electric Company, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-1251?

NSN 5120-00-277-1251 has 12 cross-referenced part numbers: 7442433P1 (General Electric Company), 706-1IN (Trw Inc Hand Tools Div Trw Industrial Products Group), 31-032 (Armstrong Bros Tool Co), 7442433P1 (Lockheed Martin Corporation Div Rms), A-A-1357 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 5120-00-277-1251?

There are 12 known substitutes for 5120-00-277-1251: 5360-00-023-1659, 5440-00-061-8895, 4720-00-318-1112 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7442433P1?

Key specifications for 7442433P1: Surface Treatment: ENAMEL AND CHROMIUM OVERALL; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Head Thickness: 0.562 INCHES MAXIMUM IN; Material: STEEL OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-1251 still in active supply?

NSN 5120-00-277-1251 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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