PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-W-19928 TY1Wrench,box

General Services Administration Federal Supply Service · NSN 5120-00-287-4525 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-287-4525 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-287-4525. Primary manufacturer part number: MIL-W-19928 TY1.
Features
  • Wrench,box — FSC 5120
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Wrenching Surface Size: 1.312 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Size: 1.250 INCHES NOMINAL FIRST END IN
  • 2 verified cross-references
  • Primary manufacturer: General Services Administration Federal Supply Service
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-287-4525, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-287-4525
Primary Part NumberMIL-W-19928 TY1
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Wrenching Surface Size1.312 INCHES NOMINAL SECOND END IN
Wrenching Surface Size1.250 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-184-8545W-699 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8547WO-3/4 X 13/16 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8548 INTERCHANGEABLE
Wrench,open End
5120-00-184-8549W-741 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8550W-748 INTERCHANGEABLE
Wrench,open End
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-184-8682W-3109 INTERCHANGEABLE
Wrench,box
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-274-9653W-3130 INTERCHANGEABLE
Wrench,box
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-274-9655 INTERCHANGEABLE
Wrench,box
5120-00-274-9657W-3170 INTERCHANGEABLE
Wrench,box
Ampco Partners, Ltd. Dba Ampco Safety Tools
5120-00-274-9658 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
MIL-W-19928 TY1 General Services Administration Federal Supply Service (USA)
MIL-W-19928 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5120-00-184-8545INTERCHANGEABLE
WRENCH,OPEN END
W-699
5120-00-184-8547INTERCHANGEABLE
WRENCH,OPEN END
WO-3/4 X 13/16
5120-00-184-8548INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8549INTERCHANGEABLE
WRENCH,OPEN END
W-741
5120-00-184-8550INTERCHANGEABLE
WRENCH,OPEN END
W-748
5120-00-184-8682INTERCHANGEABLE
WRENCH,BOX
W-3109
5120-00-274-9653INTERCHANGEABLE
WRENCH,BOX
W-3130
5120-00-274-9655INTERCHANGEABLE
WRENCH,BOX
5120-00-274-9657INTERCHANGEABLE
WRENCH,BOX
W-3170
5120-00-274-9658INTERCHANGEABLE
WRENCH,BOX
5120-00-274-9661INTERCHANGEABLE
WRENCH,BOX
W-3240
5120-00-277-1320INTERCHANGEABLE
WRENCH,OPEN END
41W1065-420

Frequently Asked Questions

What is NSN 5120-00-287-4525?

NSN 5120-00-287-4525 is a Wrench,box, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-287-4525?

NSN 5120-00-287-4525 has 2 cross-referenced part numbers: MIL-W-19928 TY1 (General Services Administration Federal Supply Service), MIL-W-19928 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5120-00-287-4525?

There are 12 known substitutes for 5120-00-287-4525: 5120-00-184-8545, 5120-00-184-8547, 5120-00-184-8548 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-W-19928 TY1?

Key specifications for MIL-W-19928 TY1: Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD; Overall Length: 17.000 INCHES NOMINAL IN; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL; Wrenching Surface Size: 1.312 INCHES NOMINAL SECOND END IN. 5 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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