PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

190AJack,screw,hand

L.s. Starrett Company (the) Div Tool Division · NSN 5120-00-903-7851 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-903-7851 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-903-7851. Primary manufacturer part number: 190A.
Features
  • Jack,screw,hand — FSC 5120
  • Features Provided: W/GEAR
  • Load Capacity: 0.500 TONS
  • Design Type: UPRIGHT
  • Retracted Height: 2.250 INCHES NOMINAL IN
  • Extended Height: 3.375 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: L.s. Starrett Company (the) Div Tool Division
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Jack,screw,hand, cataloged under National Stock Number 5120-00-903-7851, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is L.s. Starrett Company (the) Div Tool Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-903-7851
Primary Part Number190A
Item NameJack,screw,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
Features ProvidedW/GEAR
Load Capacity0.500 TONS
Design TypeUPRIGHT
Retracted Height2.250 INCHES NOMINAL IN
Extended Height3.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-476-3957190A INTERCHANGEABLE
Plug,telephone
Switchcraft Inc.
5355-00-559-5266 INTERCHANGEABLE
Knob
6675-00-580-3167190B LEVEL AND 863 TRIPOD INTERCHANGEABLE
Level,surveying
Chicago Steel Tape Co Inc Berger Instruments Co Inc
6625-00-669-3273190A INTERCHANGEABLE
Q-Meter
Boonton Electronics Corporation Div Boonton Electronics
6625-00-812-2550190A INTERCHANGEABLE
Generator,signal
Tektronix, Inc.
4930-01-145-5366190-0114 INTERCHANGEABLE
Nozzle,fuel and Oil Servicing
Opw Fueling Components Inc. Div Opw Fueling Components
1670-01-226-5300190 INTERCHANGEABLE
Sling,rescue,helicopter
Lifesaving Systems Llc
Cross-Reference Index
Part NumberManufacturer
190A PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
Related Parts
5935-00-476-3957INTERCHANGEABLE
PLUG,TELEPHONE
190A
5355-00-559-5266INTERCHANGEABLE
KNOB
6675-00-580-3167INTERCHANGEABLE
LEVEL,SURVEYING
190B LEVEL AND 863 TRIPOD
6625-00-669-3273INTERCHANGEABLE
Q-METER
190A
6625-00-812-2550INTERCHANGEABLE
GENERATOR,SIGNAL
190A
4930-01-145-5366INTERCHANGEABLE
NOZZLE,FUEL AND OIL SERVICING
190-0114
1670-01-226-5300INTERCHANGEABLE
SLING,RESCUE,HELICOPTER
190

Frequently Asked Questions

What is NSN 5120-00-903-7851?

NSN 5120-00-903-7851 is a Jack,screw,hand, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-903-7851?

NSN 5120-00-903-7851 has 1 cross-referenced part number: 190A (L.s. Starrett Company (the) Div Tool Division).

What NSN replaces 5120-00-903-7851?

There are 7 known substitutes for 5120-00-903-7851: 5935-00-476-3957, 5355-00-559-5266, 6675-00-580-3167 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 190A?

Key specifications for 190A: Features Provided: W/GEAR; Load Capacity: 0.500 TONS; Design Type: UPRIGHT; Retracted Height: 2.250 INCHES NOMINAL 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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