PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G20-1294Caulking Tool,hand

Portage Tool Company, the · NSN 5120-00-223-1294 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-223-1294 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-223-1294. Primary manufacturer part number: G20-1294.
Features
  • Caulking Tool,hand — FSC 5120
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Style Designator: OFFSET, SQUARE END
  • Nose End Width: 0.875 INCHES NOMINAL IN
  • Tip Thickness: 0.375 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Portage Tool Company, the
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Caulking Tool,hand, cataloged under National Stock Number 5120-00-223-1294, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Portage Tool Company, the. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5120-00-223-1294
Primary Part NumberG20-1294
Item NameCaulking Tool,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerPortage Tool Company, the
StatusACTIVE
Width Across Flats0.875 INCHES NOMINAL IN
Style DesignatorOFFSET, SQUARE END
Nose End Width0.875 INCHES NOMINAL IN
Tip Thickness0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-071-9922222234245104 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Philips Electronics Nederland B.v. Div Philips Ip&s
3110-00-100-032531G141 INTERCHANGEABLE
Cup,tapered Roller Bearing
Oshkosh Defense Llc
5120-00-223-129830008 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
6670-00-263-024925672-100 INTERCHANGEABLE
Forceps,analytical Balance Weigh
Vwr International, Llc Dba Vwr Scientific
5120-00-293-047802800 INTERCHANGEABLE
Caulking Tool,hand
Mayhew Steel Products Inc
5120-00-293-047930007 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
5120-00-293-048230009 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
5120-00-293-048330019 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
4810-00-442-8095 INTERCHANGEABLE
Sleeve and Slide,directional Con
4820-00-484-3538239750 INTERCHANGEABLE
Disk,valve
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
G20-1294 PRIMARY Portage Tool Company, the (USA)
30045 PRIMARY Mephisto Tool Co Inc (USA)
GGG-C-135 CL1ST1 General Services Administration Federal Supply Service (USA)
GGG-C-135 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5910-00-071-9922INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
222234245104
3110-00-100-0325INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
31G141
5120-00-223-1298INTERCHANGEABLE
CAULKING TOOL,HAND
30008
6670-00-263-0249INTERCHANGEABLE
FORCEPS,ANALYTICAL BALANCE WEIGH
25672-100
5120-00-293-0478INTERCHANGEABLE
CAULKING TOOL,HAND
02800
5120-00-293-0479INTERCHANGEABLE
CAULKING TOOL,HAND
30007
5120-00-293-0482INTERCHANGEABLE
CAULKING TOOL,HAND
30009
5120-00-293-0483INTERCHANGEABLE
CAULKING TOOL,HAND
30019
4810-00-442-8095INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
4820-00-484-3538INTERCHANGEABLE
DISK,VALVE
239750
5120-00-595-8223INTERCHANGEABLE
CAULKING TOOL,HAND
30046
5120-00-595-8224INTERCHANGEABLE
CAULKING TOOL,HAND
30041

Frequently Asked Questions

What is NSN 5120-00-223-1294?

NSN 5120-00-223-1294 is a Caulking Tool,hand, manufactured by Portage Tool Company, the, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-223-1294?

NSN 5120-00-223-1294 has 4 cross-referenced part numbers: G20-1294 (Portage Tool Company, the), 30045 (Mephisto Tool Co Inc), GGG-C-135 CL1ST1 (General Services Administration Federal Supply Service), GGG-C-135 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5120-00-223-1294?

There are 12 known substitutes for 5120-00-223-1294: 5910-00-071-9922, 3110-00-100-0325, 5120-00-223-1298 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G20-1294?

Key specifications for G20-1294: Overall Length: 7.500 INCHES NOMINAL IN; Width Across Flats: 0.875 INCHES NOMINAL IN; Style Designator: OFFSET, SQUARE END; Nose End Width: 0.875 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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