PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M145Sight,bore,optical

Raytheon Co Dba Raytheon Systems Co M/s 3409 · NSN 1240-01-533-0939 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-533-0939 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-533-0939. Primary manufacturer part number: M145.
Features
  • Sight,bore,optical — FSC 1240
  • 1 verified cross-reference
  • Primary manufacturer: Raytheon Co Dba Raytheon Systems Co M/s 3409
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sight,bore,optical, cataloged under National Stock Number 1240-01-533-0939, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Raytheon Co Dba Raytheon Systems Co M/s 3409. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN1240-01-533-0939
Primary Part NumberM145
Item NameSight,bore,optical
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerRaytheon Co Dba Raytheon Systems Co M/s 3409
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-222-0211M145 INTERCHANGEABLE
Cover,electrical Connector
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2530-00-707-6672F-106355 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6680-01-055-9626M-145 INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5996-01-596-5544M145 INTERCHANGEABLE
Amplifier,radio Frequency
Quasar Power & Technologies Inc. Dba Milpower Source
1240-01-608-4337M145 INTERCHANGEABLE
Telescope,straight
Raytheon Company Dba Raytheon
6685-01-630-8639M-145 INTERCHANGEABLE
Gage,pressure,dial Indicating
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
6810-01-655-1333M145 INTERCHANGEABLE
Phenyl Methyl Sulfo
Amresco Inc.
Cross-Reference Index
Part NumberManufacturer
M145 PRIMARY Raytheon Co Dba Raytheon Systems Co M/s 3409 (USA)
Related Parts
5935-00-222-0211INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
M145
2530-00-707-6672INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
F-106355
6680-01-055-9626INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
M-145
5996-01-596-5544INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
M145
1240-01-608-4337INTERCHANGEABLE
TELESCOPE,STRAIGHT
M145
6685-01-630-8639INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
M-145
6810-01-655-1333INTERCHANGEABLE
PHENYL METHYL SULFO
M145

Frequently Asked Questions

What is NSN 1240-01-533-0939?

NSN 1240-01-533-0939 is a Sight,bore,optical, manufactured by Raytheon Co Dba Raytheon Systems Co M/s 3409, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-01-533-0939?

NSN 1240-01-533-0939 has 1 cross-referenced part number: M145 (Raytheon Co Dba Raytheon Systems Co M/s 3409).

What NSN replaces 1240-01-533-0939?

There are 7 known substitutes for 1240-01-533-0939: 5935-00-222-0211, 2530-00-707-6672, 6680-01-055-9626 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M145?

Key specifications for M145: Special Features: ENHANCED COMBAT OPTICAL SIGHT: ECOS, SU-230/PVS, IS A DUAL FIELD OF VIEW OPTIC WITH SWITCHABLE 1X/4X MAGNIFICATION. USER SWITCHES TO 1X MAGNIFICATION FOR CLOSE RANGE TARGETS AND SWITCHES TO 4X MAGNIFICATION FOR LONG RANGE TARGETS. INCLUDES ILLUMINATED BALLISTIC RETICLE CALIBRATED FOR USE WITH 5.56MM NATO AMMUNITION. ELEVATION AND WINDAGE ADJUSTMENTS ARE 0.5 MOA PER CLICK. THE SU-230/PVS MOUNTS TO THE WEAPON VIA A MIL-STD-1913 RAIL INTERFACE. USES ONE DL 1/3N LITHIUM BATTERY. COLOR: BROWN. MM. 1 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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