PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20258Punch,tube Belling,hand

Thomas C. Wilson, Inc. Dba Thomas C Wilson · NSN 5120-01-518-0044 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-518-0044 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-518-0044. Primary manufacturer part number: 20258.
Features
  • Punch,tube Belling,hand — FSC 5120
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
  • 4 verified cross-references
  • Primary manufacturer: Thomas C. Wilson, Inc. Dba Thomas C Wilson
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Punch,tube Belling,hand, cataloged under National Stock Number 5120-01-518-0044, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Thomas C. Wilson, Inc. Dba Thomas C Wilson. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5120-01-518-0044
Primary Part Number20258
Item NamePunch,tube Belling,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThomas C. Wilson, Inc. Dba Thomas C Wilson
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3431-00-086-118013N16 INTERCHANGEABLE
Nozzle,welding
Weldcraft Customer Service
5310-00-223-3162 INTERCHANGEABLE
Washer,flat
3431-00-496-3094 INTERCHANGEABLE
Nozzle,welding
5935-00-511-6572 INTERCHANGEABLE
Connector,receptacle,electrical
1650-00-555-142320256 INTERCHANGEABLE
Filter,fluid
Fluid Conditioning Products, Inc.
5120-00-595-9463 INTERCHANGEABLE
Punch,tube Belling,hand
3815-00-756-147320256 INTERCHANGEABLE
Roller Assembly,cra
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5310-01-045-8941 INTERCHANGEABLE
Nut,plain,knurled
5962-01-097-0008MM54C20J INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
5962-01-099-9799MM54C08J INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
20258 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
25J765-11 Westinghouse Electric Corp (USA)
20256 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
1JB1130PC3 Westinghouse Electric Corp (USA)
Related Parts
3431-00-086-1180INTERCHANGEABLE
NOZZLE,WELDING
13N16
5310-00-223-3162INTERCHANGEABLE
WASHER,FLAT
3431-00-496-3094INTERCHANGEABLE
NOZZLE,WELDING
5935-00-511-6572INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1650-00-555-1423INTERCHANGEABLE
FILTER,FLUID
20256
5120-00-595-9463INTERCHANGEABLE
PUNCH,TUBE BELLING,HAND
3815-00-756-1473INTERCHANGEABLE
ROLLER ASSEMBLY,CRA
20256
5310-01-045-8941INTERCHANGEABLE
NUT,PLAIN,KNURLED
5962-01-097-0008INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MM54C20J
5962-01-099-9799INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MM54C08J
5945-01-128-1254INTERCHANGEABLE
FLASHER,THERMAL
20256
6150-01-146-2091INTERCHANGEABLE
LEAD,ELECTRICAL
20258

Frequently Asked Questions

What is NSN 5120-01-518-0044?

NSN 5120-01-518-0044 is a Punch,tube Belling,hand, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-518-0044?

NSN 5120-01-518-0044 has 4 cross-referenced part numbers: 20258 (Thomas C. Wilson, Inc. Dba Thomas C Wilson), 25J765-11 (Westinghouse Electric Corp), 20256 (Thomas C. Wilson, Inc. Dba Thomas C Wilson), 1JB1130PC3 (Westinghouse Electric Corp).

What NSN replaces 5120-01-518-0044?

There are 12 known substitutes for 5120-01-518-0044: 3431-00-086-1180, 5310-00-223-3162, 3431-00-496-3094 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20258?

Key specifications for 20258: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION. 2 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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