PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27-268Wrench,box

Armstrong Bros Tool Co · NSN 5120-01-601-5163 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-601-5163 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-601-5163. Primary manufacturer part number: 27-268.
Features
  • Wrench,box — FSC 5120
  • Style Designator: HALF-MOON DOUBLE HEAD
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Size: 0.563 INCHES NOMINAL FIRST END IN
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • 4 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-601-5163, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Armstrong Bros Tool Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5120-01-601-5163
Primary Part Number27-268
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmstrong Bros Tool Co
StatusACTIVE
Style DesignatorHALF-MOON DOUBLE HEAD
Wrenching Surface Size0.625 INCHES NOMINAL SECOND END IN
Wrenching Surface Size0.563 INCHES NOMINAL FIRST END IN
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-184-86316299 INTERCHANGEABLE
Wrench,box
Walz & Krenzer Inc Div Mapeco Products
4320-00-218-626627268 INTERCHANGEABLE
Seal Assy
Reidville Hydraulics & Mfg Inc
5120-00-222-1596CX1820 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-222-15978212484 INTERCHANGEABLE
Wrench,box
Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
5133-00-236-4066 INTERCHANGEABLE
Drill,twist
5120-00-277-2682 INTERCHANGEABLE
Wrench,box
4330-00-883-051427268 INTERCHANGEABLE
Filter,fluid
Jenny Products, Inc
5330-01-229-9990 INTERCHANGEABLE
Seal,plain Encased
5120-01-367-3315CX1416 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-378-5767CX2024 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
27-268 Armstrong Bros Tool Co (USA)
A-A-1346 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
27-268 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
27-268 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5120-00-184-8631INTERCHANGEABLE
WRENCH,BOX
6299
4320-00-218-6266INTERCHANGEABLE
SEAL ASSY
27268
5120-00-222-1596INTERCHANGEABLE
WRENCH,BOX
CX1820
5120-00-222-1597INTERCHANGEABLE
WRENCH,BOX
8212484
5133-00-236-4066INTERCHANGEABLE
DRILL,TWIST
5120-00-277-2682INTERCHANGEABLE
WRENCH,BOX
4330-00-883-0514INTERCHANGEABLE
FILTER,FLUID
27268
5330-01-229-9990INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-01-367-3315INTERCHANGEABLE
WRENCH,BOX
CX1416
5120-01-378-5767INTERCHANGEABLE
WRENCH,BOX
CX2024
5120-01-378-6296INTERCHANGEABLE
WRENCH,BOX
CX2830
5120-01-378-6471INTERCHANGEABLE
WRENCH,BOX
CX2226

Frequently Asked Questions

What is NSN 5120-01-601-5163?

NSN 5120-01-601-5163 is a Wrench,box, manufactured by Armstrong Bros Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-601-5163?

NSN 5120-01-601-5163 has 4 cross-referenced part numbers: 27-268 (Armstrong Bros Tool Co), A-A-1346 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 27-268 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 27-268 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-601-5163?

There are 12 known substitutes for 5120-01-601-5163: 5120-00-184-8631, 4320-00-218-6266, 5120-00-222-1596 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27-268?

Key specifications for 27-268: Overall Length: 7.870 INCHES NOMINAL IN; Style Designator: HALF-MOON DOUBLE HEAD; Wrenching Surface Size: 0.625 INCHES NOMINAL SECOND END IN; Wrenching Surface Size: 0.563 INCHES NOMINAL FIRST END IN. 8 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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