PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304002Collimator,infinity Aiming Refer

Northrop Grumman Corp Electronic Systems Defensive System Div · NSN 1240-00-139-8339 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-00-139-8339 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-139-8339. Primary manufacturer part number: 304002.
Features
  • Collimator,infinity Aiming Refer — FSC 1240
  • Reference Data and Literature: 33DA114-3-1
  • Functional Description: USED AT ORGANIZATIONAL LEVEL TO TEST UNITS OF TARGET IDENTIFICATION SYSTEM, ELECTRO-OPTICAL(TISEO) AN/ASX-1
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Corp Electronic Systems Defensive System Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Collimator,infinity Aiming Refer, cataloged under National Stock Number 1240-00-139-8339, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 2 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-00-139-8339
Primary Part Number304002
Item NameCollimator,infinity Aiming Refer
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerNorthrop Grumman Corp Electronic Systems Defensive System Div
StatusACTIVE
Reference Data and Literature33DA114-3-1
Functional DescriptionUSED AT ORGANIZATIONAL LEVEL TO TEST UNITS OF TARGET IDENTIFICATION SYSTEM, ELECTRO-OPTICAL(TISEO) AN/ASX-1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-0207 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5950-00-156-2118304002 INTERCHANGEABLE
Reactor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4440-00-383-7884ABYZ9589 INTERCHANGEABLE
Valve Operator,moto
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
5950-00-646-2342 INTERCHANGEABLE
Coil,radio Frequency
5998-01-291-605530400-2 INTERCHANGEABLE
Electronic Components Assembly
L3 Technologies, Inc. Div L3harris Edo Western Corporation
5360-01-337-023950328 INTERCHANGEABLE
Spring,helical,compression
Husco International Inc
4710-01-615-0063800912 INTERCHANGEABLE
Tube,metallic
Tim Price Inc. Dba Tim Price Inc
Cross-Reference Index
Part NumberManufacturer
SU-72/ASM-455 Joint Electronics Type Designation System (USA)
304002 PRIMARY Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
Related Parts
3110-00-100-0207INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5950-00-156-2118INTERCHANGEABLE
REACTOR
304002
4440-00-383-7884INTERCHANGEABLE
VALVE OPERATOR,MOTO
ABYZ9589
5950-00-646-2342INTERCHANGEABLE
COIL,RADIO FREQUENCY
5998-01-291-6055INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
30400-2
5360-01-337-0239INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50328
4710-01-615-0063INTERCHANGEABLE
TUBE,METALLIC
800912

Frequently Asked Questions

What is NSN 1240-00-139-8339?

NSN 1240-00-139-8339 is a Collimator,infinity Aiming Refer, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-00-139-8339?

NSN 1240-00-139-8339 has 2 cross-referenced part numbers: SU-72/ASM-455 (Joint Electronics Type Designation System), 304002 (Northrop Grumman Corp Electronic Systems Defensive System Div).

What NSN replaces 1240-00-139-8339?

There are 7 known substitutes for 1240-00-139-8339: 3110-00-100-0207, 5950-00-156-2118, 4440-00-383-7884 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 304002?

Key specifications for 304002: Special Features: CONSISTS OF CASE,COLLIMATOR CY8270/ASM-455; COLLIMATOR 304202-1; MICROSCOPE ASSY 304202-2; MIRROR ASSY,COLLIMATING 304202-3; SUPPORT ASSY 304160; POWER CONNECTOR PT06A-14-55; Reference Data and Literature: 33DA114-3-1; Overall Height: 15.000 INCHES NOMINAL IN; End Item Identification: F-4E, TARGET IDENTICICATION SYSTEM, ELECTRO-OPTICAL(TISEO) AN/ASX-1. 7 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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