PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63-617Wrench,box and Open End,combinat

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-349-4721 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-349-4721 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-349-4721. Primary manufacturer part number: 63-617.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Style Designator: OFFSET
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 17.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-349-4721, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-349-4721
Primary Part Number63-617
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Style DesignatorOFFSET
MaterialSTEEL OVERALL
Wrenching Surface Size17.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Head Angle15.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2805-00-356-083923638 INTERCHANGEABLE
Valve,poppet,engine
Briggs and Stratton Corp
6620-01-191-5932 INTERCHANGEABLE
Indicator,engine Te
3110-01-191-712363617 INTERCHANGEABLE
Bearing,ball,annular
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5331-01-264-6402 INTERCHANGEABLE
O-Ring
5330-01-548-131863617 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
63-617 Apex Tool Group, Llc Dba Nicholson (USA)
63-617 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
2805-00-356-0839INTERCHANGEABLE
VALVE,POPPET,ENGINE
23638
6620-01-191-5932INTERCHANGEABLE
INDICATOR,ENGINE TE
3110-01-191-7123INTERCHANGEABLE
BEARING,BALL,ANNULAR
63617
5331-01-264-6402INTERCHANGEABLE
O-RING
5330-01-548-1318INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
63617

Frequently Asked Questions

What is NSN 5120-01-349-4721?

NSN 5120-01-349-4721 is a Wrench,box and Open End,combinat, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-349-4721?

NSN 5120-01-349-4721 has 2 cross-referenced part numbers: 63-617 (Apex Tool Group, Llc Dba Nicholson), 63-617 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.).

What NSN replaces 5120-01-349-4721?

There are 5 known substitutes for 5120-01-349-4721: 2805-00-356-0839, 6620-01-191-5932, 3110-01-191-7123 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 63-617?

Key specifications for 63-617: Overall Length: 8.750 INCHES NOMINAL IN; Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Style Designator: OFFSET; Material: STEEL OVERALL. 9 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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