PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28-216Wrench,open End and Flarenut,com

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-127-5643 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-127-5643 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-127-5643. Primary manufacturer part number: 28-216.
Features
  • Wrench,open End and Flarenut,com — FSC 5120
  • General Characteristics Item Description: STEEL; CHROME PLATED; DOUBLE HEAD; 6 POINT FLARENUT END; 1/2 IN. OPENINGS AT BOTH ENDS; 0.250 IN. OPEN END HEAD THICKNESS; 0.410 IN. FLARENUT END HEAD THICKNESS; 6 IN. LG IN
  • 4 verified cross-references
  • Primary manufacturer: Apex Tool Group, Llc Dba Nicholson
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,open End and Flarenut,com, cataloged under National Stock Number 5120-01-127-5643, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5120-01-127-5643
Primary Part Number28-216
Item NameWrench,open End and Flarenut,com
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
General Characteristics Item DescriptionSTEEL; CHROME PLATED; DOUBLE HEAD; 6 POINT FLARENUT END; 1/2 IN. OPENINGS AT BOTH ENDS; 0.250 IN. OPEN END HEAD THICKNESS; 0.410 IN. FLARENUT END HEAD THICKNESS; 6 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-431-8264FDN7149 INTERCHANGEABLE
Transformer,power
Magnetika Inc
5330-01-270-7269 INTERCHANGEABLE
Gasket and Seal Set
3020-01-421-255028216 INTERCHANGEABLE
Gear,spur
Ontic Engineering and Manufacturing, Inc.
6145-01-546-77942821/6 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
6850-01-607-065615226 FUEL ADDITIVE INTERCHANGEABLE
Additive Diesel Fue
Gold Eagle Co
Cross-Reference Index
Part NumberManufacturer
28-216 Apex Tool Group, Llc Dba Nicholson (USA)
1316 Armstrong Bros Tool Co (USA)
28-216 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
28-216 Armstrong Bros Tool Co (USA)
Related Parts
5950-00-431-8264INTERCHANGEABLE
TRANSFORMER,POWER
FDN7149
5330-01-270-7269INTERCHANGEABLE
GASKET AND SEAL SET
3020-01-421-2550INTERCHANGEABLE
GEAR,SPUR
28216
6145-01-546-7794INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2821/6
6850-01-607-0656INTERCHANGEABLE
ADDITIVE DIESEL FUE
15226 FUEL ADDITIVE

Frequently Asked Questions

What is NSN 5120-01-127-5643?

NSN 5120-01-127-5643 is a Wrench,open End and Flarenut,com, 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 5120-01-127-5643?

NSN 5120-01-127-5643 has 4 cross-referenced part numbers: 28-216 (Apex Tool Group, Llc Dba Nicholson), 1316 (Armstrong Bros Tool Co), 28-216 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 28-216 (Armstrong Bros Tool Co).

What NSN replaces 5120-01-127-5643?

There are 5 known substitutes for 5120-01-127-5643: 5950-00-431-8264, 5330-01-270-7269, 3020-01-421-2550 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28-216?

Key specifications for 28-216: General Characteristics Item Description: STEEL; CHROME PLATED; DOUBLE HEAD; 6 POINT FLARENUT END; 1/2 IN. OPENINGS AT BOTH ENDS; 0.250 IN. OPEN END HEAD THICKNESS; 0.410 IN. FLARENUT END HEAD THICKNESS; 6 IN. LG IN. 1 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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