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NSN 5120-01-375-4373Government record, cited

Wrench, Box5120-01-375-4373

NSN 5120-01-375-4373 · NIIN 013754373 · Part number 88-21147
Department of Defense Project Manager-Mobile Electric Power · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 30554
Government record, cited
NSN 5120-01-375-4373 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-375-4373. Manufacturer of record part number: 88-21147.
Also searched as  5120-01-375-4373 · 5120013754373 · NIIN 013754373 · 01-375-4373 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 30554 · 88-21147 · 0420-0620
Nearby stock numbers  ·
Features
  • Wrench,box — FSC 5120
  • Wrenching Surface Size: 1.718 INCHES NOMINAL SINGLE END IN
  • Style Designator: DOUBLE OFFSET SINGLE HEAD
  • Outside Diameter: 2.880 INCHES NOMINAL IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Material: PLASTIC OVERALL
  • Head Thickness: 1.090 INCHES NOMINAL IN
  • Offset Height: 0.081 INCHES NOMINAL IN
Identification
  • NSN: 5120-01-375-4373
  • NIIN: 013754373
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: 88-21147
  • Manufacturer: Department of Defense Project Manager-Mobile Electric Power
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-375-4373, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-375-4373
Primary Part Number88-21147
Item NameWrench,box
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerDepartment of Defense Project Manager-Mobile Electric Power
StatusACTIVE
Wrenching Surface Size1.718 INCHES NOMINAL SINGLE END IN
Style DesignatorDOUBLE OFFSET SINGLE HEAD
Outside Diameter2.880 INCHES NOMINAL IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialPLASTIC OVERALL
Head Thickness1.090 INCHES NOMINAL IN
Offset Height0.081 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
0420-0620 Cummins Power Generation Inc. (USA)
88-21147 PRIMARY Department of Defense Project Manager-Mobile Electric Power (USA)
No interchangeability data on file.
Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642
ADAPTER,TORQUE WRENCH
5120-00-001-2644
ADAPTER,TORQUE WRENCH
5120-00-001-2650
INSERTER,SEAL
5120-00-001-2651
5120-00-001-2651 · Item name not on file
5120-00-001-2652
INSTALLING TOOL,SHAFT
5120-00-001-2653
REMOVER,PREFORMED PACKING
5120-00-001-2654
REMOVER,PREFORMED PACKING
5120-00-001-2655
SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-01-375-4373?

NSN 5120-01-375-4373 is a Wrench,box, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-375-4373?

NSN 5120-01-375-4373 has 2 manufacturer part numbers on file: 0420-0620 (Cummins Power Generation Inc.), 88-21147 (Department of Defense Project Manager-Mobile Electric Power).

What are the specifications of 88-21147?

Key specifications for 88-21147: Wrenching Surface Size: 1.718 INCHES NOMINAL SINGLE END IN; Style Designator: DOUBLE OFFSET SINGLE HEAD; Overall Length: 9.000 INCHES NOMINAL IN; Outside Diameter: 2.880 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-375-4373 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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