PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99121930Wrench,box

Alfa Laval Inc · NSN 5120-00-152-2420 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-152-2420 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-152-2420. Primary manufacturer part number: 99121930.
Features
  • Wrench,box — FSC 5120
  • Functional Description: USED ON COUPLING RINGS
  • Style Designator: STRAIGHT SINGLE HEAD
  • 2 verified cross-references
  • Primary manufacturer: Alfa Laval Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-152-2420, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5120-00-152-2420
Primary Part Number99121930
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusACTIVE
Functional DescriptionUSED ON COUPLING RINGS
Style DesignatorSTRAIGHT SINGLE HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6105-00-500-259821930 INTERCHANGEABLE
Motor,direct Current
Naval Ship Systems Command
5950-01-096-8446EC15HL31 INTERCHANGEABLE
Coil,radio Frequency
Magnetic Circuit Elements Inc Dba Magnetic Circuit Elements Inc
5970-01-123-2790 INTERCHANGEABLE
Insulator,plate
3950-01-197-775321930 INTERCHANGEABLE
Brake Assembly,hand
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
2040-01-687-607621-930 INTERCHANGEABLE
Cleat,rope
Hii Unmanned Systems, Inc
Cross-Reference Index
Part NumberManufacturer
99121930 PRIMARY Alfa Laval Inc (USA)
21930 Alfa Laval Inc (USA)
Related Parts
6105-00-500-2598INTERCHANGEABLE
MOTOR,DIRECT CURRENT
21930
5950-01-096-8446INTERCHANGEABLE
COIL,RADIO FREQUENCY
EC15HL31
5970-01-123-2790INTERCHANGEABLE
INSULATOR,PLATE
3950-01-197-7753INTERCHANGEABLE
BRAKE ASSEMBLY,HAND
21930
2040-01-687-6076INTERCHANGEABLE
CLEAT,ROPE
21-930

Frequently Asked Questions

What is NSN 5120-00-152-2420?

NSN 5120-00-152-2420 is a Wrench,box, manufactured by Alfa Laval Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-152-2420?

NSN 5120-00-152-2420 has 2 cross-referenced part numbers: 99121930 (Alfa Laval Inc), 21930 (Alfa Laval Inc).

What NSN replaces 5120-00-152-2420?

There are 5 known substitutes for 5120-00-152-2420: 6105-00-500-2598, 5950-01-096-8446, 5970-01-123-2790 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99121930?

Key specifications for 99121930: Overall Width: 250.0 MILLIMETERS NOMINAL MM; Functional Description: USED ON COUPLING RINGS; Overall Length: 550.0 MILLIMETERS NOMINAL MM; Special Features: 3/4IN/THK IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com