PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20AWrench,open End

Trw Inc Hand Tools Div Trw Industrial Products Group · NSN 5120-00-061-0247 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-061-0247 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-061-0247. Primary manufacturer part number: 20A.
Features
  • Wrench,open End — FSC 5120
  • Wrenching Surface Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Style Designator: SINGLE HEAD
  • Head Thickness: 1.875 INCHES NOMINAL IN
  • Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Size: 5.000 INCHES NOMINAL SINGLE END IN
  • 1 verified cross-reference
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-061-0247, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Trw Inc Hand Tools Div Trw Industrial Products Group. Government technical data includes 6 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
NSN5120-00-061-0247
Primary Part Number20A
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerTrw Inc Hand Tools Div Trw Industrial Products Group
StatusACTIVE
Wrenching Surface ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Style DesignatorSINGLE HEAD
Head Thickness1.875 INCHES NOMINAL IN
Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size5.000 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3445-00-215-849720A INTERCHANGEABLE
Shearing Machine,metal Slitting,
Trackmobile Llc
5950-00-230-2806 INTERCHANGEABLE
Coil,telephone
5330-00-290-15322201A INTERCHANGEABLE
Seal,plain Encased
Electromech Technologies Llc
2910-00-474-6964513 INTERCHANGEABLE
Valve,fuel Pump
Chrysler Corp Service and Parts Opns
3120-00-736-6818821874-1 INTERCHANGEABLE
Bearing,sleeve
Elliott Company Div Jeannette
4010-00-958-0637 INTERCHANGEABLE
Chain,weldless
4010-00-958-063854B7139H05 INTERCHANGEABLE
Chain,weldless
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4010-00-958-0639 INTERCHANGEABLE
Chain,weldless
4010-00-958-0642 INTERCHANGEABLE
Chain,weldless
5325-01-132-044320A INTERCHANGEABLE
Ring,retaining
Cornell-Carr Co., Inc.
Cross-Reference Index
Part NumberManufacturer
20A Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
Related Parts
3445-00-215-8497INTERCHANGEABLE
SHEARING MACHINE,METAL SLITTING,
20A
5950-00-230-2806INTERCHANGEABLE
COIL,TELEPHONE
5330-00-290-1532INTERCHANGEABLE
SEAL,PLAIN ENCASED
2201A
2910-00-474-6964INTERCHANGEABLE
VALVE,FUEL PUMP
513
3120-00-736-6818INTERCHANGEABLE
BEARING,SLEEVE
821874-1
4010-00-958-0637INTERCHANGEABLE
CHAIN,WELDLESS
4010-00-958-0638INTERCHANGEABLE
CHAIN,WELDLESS
54B7139H05
4010-00-958-0639INTERCHANGEABLE
CHAIN,WELDLESS
4010-00-958-0642INTERCHANGEABLE
CHAIN,WELDLESS
5325-01-132-0443INTERCHANGEABLE
RING,RETAINING
20A
4320-01-211-4867INTERCHANGEABLE
VALVE BODY AND PIST
4520-01-293-6877INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM

Frequently Asked Questions

What is NSN 5120-00-061-0247?

NSN 5120-00-061-0247 is a Wrench,open End, manufactured by Trw Inc Hand Tools Div Trw Industrial Products Group, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-061-0247?

NSN 5120-00-061-0247 has 1 cross-referenced part number: 20A (Trw Inc Hand Tools Div Trw Industrial Products Group).

What NSN replaces 5120-00-061-0247?

There are 12 known substitutes for 5120-00-061-0247: 3445-00-215-8497, 5950-00-230-2806, 5330-00-290-1532 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20A?

Key specifications for 20A: Overall Length: 42.000 INCHES NOMINAL IN; Wrenching Surface Shape: SQUARE SINGLE END INTERNAL; Material: STEEL OVERALL; Style Designator: SINGLE HEAD. 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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