PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

415256PC2Holder,optical Element

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1240-00-025-0243 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-00-025-0243 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-025-0243. Primary manufacturer part number: 415256PC2.
Features
  • Holder,optical Element — FSC 1240
  • Material: ALUMINUM ALLOY
  • Surface Treatment: OXIDE
  • Cubic Measure: 0.18 CUBIC INCHES
  • Usage Design: FOR MTG OPTICAL EQUIPMENT
  • Attachment to Item Supported Method: HOLDS ITEM BY MEANS OF BRACKET ARM AND TWO UNTHREADED HOLES 0.120 IN. DIA ON 0.250 IN. MOUNTING CENTER IN
  • 2 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Holder,optical Element, cataloged under National Stock Number 1240-00-025-0243, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN1240-00-025-0243
Primary Part Number415256PC2
Item NameHolder,optical Element
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
MaterialALUMINUM ALLOY
Surface TreatmentOXIDE
Cubic Measure0.18 CUBIC INCHES
Usage DesignFOR MTG OPTICAL EQUIPMENT
Attachment to Item Supported MethodHOLDS ITEM BY MEANS OF BRACKET ARM AND TWO UNTHREADED HOLES 0.120 IN. DIA ON 0.250 IN. MOUNTING CENTER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-06011191868 INTERCHANGEABLE
Cup,tapered Roller Bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
4310-00-212-9805 INTERCHANGEABLE
Connecting Rod,piston
2010-00-213-0763CVB41S4302-2PC16 INTERCHANGEABLE
Bearing,stave Shaped
Naval Ship Systems Command
5950-00-993-9807 INTERCHANGEABLE
Transformer,power
5821-01-076-2493508313 INTERCHANGEABLE
Mask Assy,front
Airco Industries, Inc. Dba Photo Etch Div Photo Etch
5120-01-373-599730175 INTERCHANGEABLE
Adapter,torque Wrench
Wta Tool Llc
5340-01-418-715330175 INTERCHANGEABLE
Bracket,angle
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
3040-01-530-064930175 INTERCHANGEABLE
Shaft,shouldered
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
30175 Bausch & Lomb Inc (USA)
415256PC2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3110-00-100-0601INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
1191868
4310-00-212-9805INTERCHANGEABLE
CONNECTING ROD,PISTON
2010-00-213-0763INTERCHANGEABLE
BEARING,STAVE SHAPED
CVB41S4302-2PC16
5950-00-993-9807INTERCHANGEABLE
TRANSFORMER,POWER
5821-01-076-2493INTERCHANGEABLE
MASK ASSY,FRONT
508313
5120-01-373-5997INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
30175
5340-01-418-7153INTERCHANGEABLE
BRACKET,ANGLE
30175
3040-01-530-0649INTERCHANGEABLE
SHAFT,SHOULDERED
30175

Frequently Asked Questions

What is NSN 1240-00-025-0243?

NSN 1240-00-025-0243 is a Holder,optical Element, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-00-025-0243?

NSN 1240-00-025-0243 has 2 cross-referenced part numbers: 30175 (Bausch & Lomb Inc), 415256PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 1240-00-025-0243?

There are 8 known substitutes for 1240-00-025-0243: 3110-00-100-0601, 4310-00-212-9805, 2010-00-213-0763 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 415256PC2?

Key specifications for 415256PC2: Material: ALUMINUM ALLOY; Surface Treatment: OXIDE; Cubic Measure: 0.18 CUBIC INCHES; Usage Design: FOR MTG OPTICAL EQUIPMENT. 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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