PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14490Wrench,box

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5120-01-346-0925 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-346-0925 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-346-0925. Primary manufacturer part number: 14490.
Features
  • Wrench,box — FSC 5120
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Functional Description: AUTOMATIC ADVANCE PLUG WRENCH
  • Style Designator: STRAIGHT SINGLE HEAD
  • 2 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-346-0925, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-346-0925
Primary Part Number14490
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Functional DescriptionAUTOMATIC ADVANCE PLUG WRENCH
Style DesignatorSTRAIGHT SINGLE HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-383-8745F600E00306 INTERCHANGEABLE
Gasket
Dedeco International Sales, Inc.
1610-00-439-552314490 INTERCHANGEABLE
Parts Kit,valve Hou
Hamilton Sundstrand Corporation Dba Collins Aerospace
4330-01-335-0422 INTERCHANGEABLE
Filter,fluid
5360-01-342-541014490 INTERCHANGEABLE
Spring,helical,compression
Blue Tee Corp. Dba Gefco
5950-01-429-818669-1471 INTERCHANGEABLE
Transformer,power
Magnetic Windings Company Inc
Cross-Reference Index
Part NumberManufacturer
P90970 Lull Lift Corp Dba Omniquip Parts Worldwide (USA)
14490 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
5330-00-383-8745INTERCHANGEABLE
GASKET
F600E00306
1610-00-439-5523INTERCHANGEABLE
PARTS KIT,VALVE HOU
14490
4330-01-335-0422INTERCHANGEABLE
FILTER,FLUID
5360-01-342-5410INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14490
5950-01-429-8186INTERCHANGEABLE
TRANSFORMER,POWER
69-1471

Frequently Asked Questions

What is NSN 5120-01-346-0925?

NSN 5120-01-346-0925 is a Wrench,box, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-346-0925?

NSN 5120-01-346-0925 has 2 cross-referenced part numbers: P90970 (Lull Lift Corp Dba Omniquip Parts Worldwide), 14490 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 5120-01-346-0925?

There are 5 known substitutes for 5120-01-346-0925: 5330-00-383-8745, 1610-00-439-5523, 4330-01-335-0422 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14490?

Key specifications for 14490: Material: STEEL OVERALL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Functional Description: AUTOMATIC ADVANCE PLUG WRENCH; Style Designator: STRAIGHT SINGLE HEAD. 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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