PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

334-12Terminal,lug

Zierick Mfg Corp · NSN 5940-00-549-7256 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-549-7256 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-549-7256. Primary manufacturer part number: 334-12.
Features
  • Terminal,lug — FSC 5940
  • Material: COPPER CONDUCTOR ACCOMMODATION
  • Surface Treatment: TIN MOUNTING FACILITY SINGLE LAYER
  • Largest Width: 0.055 INCHES SINGLE END IN
  • Mounting Hole Diameter: 0.220 INCHES IN
  • Basic Shape Style: SOLDER
  • Surface Treatment: TIN CONDUCTOR ACCOMMODATION SINGLE LAYER
  • Mounting Facility Thickness: 0.020 INCHES IN
Applications
  • Applications requiring Copper Conductor Accommodation construction
General Description

The Terminal,lug, cataloged under National Stock Number 5940-00-549-7256, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Zierick Mfg Corp. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-549-7256
Primary Part Number334-12
Item NameTerminal,lug
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerZierick Mfg Corp
StatusCANCELLED
MaterialCOPPER CONDUCTOR ACCOMMODATION
Surface TreatmentTIN MOUNTING FACILITY SINGLE LAYER
Largest Width0.055 INCHES SINGLE END IN
Mounting Hole Diameter0.220 INCHES IN
Basic Shape StyleSOLDER
Surface TreatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
Mounting Facility Thickness0.020 INCHES IN
Material Thickness0.020 INCHES IN
Electrical Insulation FeatureUNINSULATED
Mounting Tongue Width0.500 INCHES IN
Mounting Method StyleRING
Conductor Accommodation TypeSLANT LUG W/ONE HOLE SINGLE END
MaterialCOPPER MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3110-00-108-80112B5242 INTERCHANGEABLE
Roller,bearing
Fwd Seagrave Holdings Lp
3455-00-222-4063 INTERCHANGEABLE
File,rotary
5210-00-223-919633-412 INTERCHANGEABLE
Blade,thickness Gage
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5340-01-303-23107010349726 INTERCHANGEABLE
Standoff,threaded,spacing
3m Company
5998-01-307-836233412 INTERCHANGEABLE
Backplane Assembly
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4820-01-350-3686577A1-4D-30 INTERCHANGEABLE
Valve,safety Relief
Circor Aerospace, Inc. Dba Circor Aerospace Inc
1560-01-543-411350-8315 INTERCHANGEABLE
Support,structural Component,air
The Boeing Company Div Legacy Wichita
5120-01-629-327733412 INTERCHANGEABLE
Key,socket Head Screw
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
334-12 PRIMARY Zierick Mfg Corp (USA)
334-220 PRIMARY Zierick Mfg Corp (USA)
34037299-103 Honeywell International Inc. Dba Honeywell International (USA)
508-315 Zierick Mfg Corp (USA)
Related Parts
3110-00-108-8011INTERCHANGEABLE
ROLLER,BEARING
2B5242
3455-00-222-4063INTERCHANGEABLE
FILE,ROTARY
5210-00-223-9196INTERCHANGEABLE
BLADE,THICKNESS GAGE
33-412
5340-01-303-2310INTERCHANGEABLE
STANDOFF,THREADED,SPACING
7010349726
5998-01-307-8362INTERCHANGEABLE
BACKPLANE ASSEMBLY
33412
4820-01-350-3686INTERCHANGEABLE
VALVE,SAFETY RELIEF
577A1-4D-30
1560-01-543-4113INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
50-8315
5120-01-629-3277INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
33412

Frequently Asked Questions

What is NSN 5940-00-549-7256?

NSN 5940-00-549-7256 is a Terminal,lug, manufactured by Zierick Mfg Corp, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-549-7256?

NSN 5940-00-549-7256 has 4 cross-referenced part numbers: 334-12 (Zierick Mfg Corp), 334-220 (Zierick Mfg Corp), 34037299-103 (Honeywell International Inc. Dba Honeywell International), 508-315 (Zierick Mfg Corp).

What NSN replaces 5940-00-549-7256?

There are 8 known substitutes for 5940-00-549-7256: 3110-00-108-8011, 3455-00-222-4063, 5210-00-223-9196 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 334-12?

Key specifications for 334-12: Material: COPPER CONDUCTOR ACCOMMODATION; Surface Treatment: TIN MOUNTING FACILITY SINGLE LAYER; Largest Width: 0.055 INCHES SINGLE END IN; Mounting Hole Diameter: 0.220 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-549-7256 still in active supply?

NSN 5940-00-549-7256 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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