PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L4Tacker

Markwell Mfg Co Inc · NSN 5120-00-618-8981 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-618-8981 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-618-8981. Primary manufacturer part number: L4.
Features
  • Tacker — FSC 5120
  • Unit Type: GUN
  • 1 verified cross-reference
  • Primary manufacturer: Markwell Mfg Co Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Tacker, cataloged under National Stock Number 5120-00-618-8981, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Markwell Mfg Co Inc. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-618-8981
Primary Part NumberL4
Item NameTacker
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerMarkwell Mfg Co Inc
StatusACTIVE
Unit TypeGUN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-155-9145 INTERCHANGEABLE
Bearing,ball,thrust
5120-00-189-29925120-00-189-2992 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5985-00-201-3680L4 INTERCHANGEABLE
Attenuator,variable
Yosemite Investment Inc Dba North American Capacitor Co
3110-00-227-2597A4812 INTERCHANGEABLE
Bearing,ball,linear Motion
Thomson Industries Inc
4820-00-460-2412 INTERCHANGEABLE
Valve,globe
5330-00-641-20690S528 INTERCHANGEABLE
Seal,plain Encased
Hoist Liftruck Mfg Inc
5340-00-821-85581004A INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
2940-00-892-6214104397A INTERCHANGEABLE
Filter Element,fluid
Agco Corp Parts Opn
5330-01-231-4011L4 INTERCHANGEABLE
Gasket
Military & Commercial Fasteners Corp
3020-01-265-2641461-1 INTERCHANGEABLE
Gear Cluster
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
Cross-Reference Index
Part NumberManufacturer
L4 PRIMARY Markwell Mfg Co Inc (USA)
Related Parts
3110-00-155-9145INTERCHANGEABLE
BEARING,BALL,THRUST
5120-00-189-2992INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2992
5985-00-201-3680INTERCHANGEABLE
ATTENUATOR,VARIABLE
L4
3110-00-227-2597INTERCHANGEABLE
BEARING,BALL,LINEAR MOTION
A4812
4820-00-460-2412INTERCHANGEABLE
VALVE,GLOBE
5330-00-641-2069INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S528
5340-00-821-8558INTERCHANGEABLE
KEY BLANK
1004A
2940-00-892-6214INTERCHANGEABLE
FILTER ELEMENT,FLUID
104397A
5330-01-231-4011INTERCHANGEABLE
GASKET
L4
3020-01-265-2641INTERCHANGEABLE
GEAR CLUSTER
461-1
6520-01-448-9375INTERCHANGEABLE
WHEEL,POLISHING,SOFT
L4
7690-01-492-6240INTERCHANGEABLE
MARKER,IDENTIFICATION
L4

Frequently Asked Questions

What is NSN 5120-00-618-8981?

NSN 5120-00-618-8981 is a Tacker, manufactured by Markwell Mfg Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-618-8981?

NSN 5120-00-618-8981 has 1 cross-referenced part number: L4 (Markwell Mfg Co Inc).

What NSN replaces 5120-00-618-8981?

There are 12 known substitutes for 5120-00-618-8981: 3110-00-155-9145, 5120-00-189-2992, 5985-00-201-3680 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L4?

Key specifications for L4: Unit Type: GUN. 1 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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