PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4933Sight,bore,optical

Plx Inc. Dba Plx Inc · NSN 1240-01-575-9518 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-575-9518 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-575-9518. Primary manufacturer part number: 4933.
Features
  • Sight,bore,optical — FSC 1240
  • Straight Type Overall Length: 210.0 MILLIMETERS NOMINAL MM
  • 1 verified cross-reference
  • Primary manufacturer: Plx Inc. Dba Plx Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sight,bore,optical, cataloged under National Stock Number 1240-01-575-9518, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Plx Inc. Dba Plx Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-575-9518
Primary Part Number4933
Item NameSight,bore,optical
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerPlx Inc. Dba Plx Inc
StatusACTIVE
Straight Type Overall Length210.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5945-00-057-2401 INTERCHANGEABLE
Relay,penn
5331-00-291-33689914933 INTERCHANGEABLE
O-Ring
Alfa Laval Inc
5360-00-699-899037701 INTERCHANGEABLE
Spring,helical,torsion
Borgwarner Pds (anderson), L.l.c.
4810-00-725-9458493-3 INTERCHANGEABLE
Valve,solenoid
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
4720-01-017-26464933 INTERCHANGEABLE
Hose,nonmetallic
Pentair Filtration Solutions, Llc
5915-01-029-3738 INTERCHANGEABLE
Filter,low Pass
5365-01-305-65324933-35072 INTERCHANGEABLE
Plug,machine Thread
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
5950-01-316-672277C721935P001 INTERCHANGEABLE
Transformer,audio Frequency
Lockheed Martin Corporation Div Rms
3040-01-498-42474933 INTERCHANGEABLE
Shaft,straight
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
6515-01-556-0111 INTERCHANGEABLE
Endoscopic Instrument,fiber Opti
Cross-Reference Index
Part NumberManufacturer
4933 PRIMARY Plx Inc. Dba Plx Inc (USA)
Related Parts
5945-00-057-2401INTERCHANGEABLE
RELAY,PENN
5331-00-291-3368INTERCHANGEABLE
O-RING
9914933
5360-00-699-8990INTERCHANGEABLE
SPRING,HELICAL,TORSION
37701
4810-00-725-9458INTERCHANGEABLE
VALVE,SOLENOID
493-3
4720-01-017-2646INTERCHANGEABLE
HOSE,NONMETALLIC
4933
5915-01-029-3738INTERCHANGEABLE
FILTER,LOW PASS
5365-01-305-6532INTERCHANGEABLE
PLUG,MACHINE THREAD
4933-35072
5950-01-316-6722INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
77C721935P001
3040-01-498-4247INTERCHANGEABLE
SHAFT,STRAIGHT
4933
6515-01-556-0111INTERCHANGEABLE
ENDOSCOPIC INSTRUMENT,FIBER OPTI

Frequently Asked Questions

What is NSN 1240-01-575-9518?

NSN 1240-01-575-9518 is a Sight,bore,optical, manufactured by Plx Inc. Dba Plx Inc, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-01-575-9518?

NSN 1240-01-575-9518 has 1 cross-referenced part number: 4933 (Plx Inc. Dba Plx Inc).

What NSN replaces 1240-01-575-9518?

There are 10 known substitutes for 1240-01-575-9518: 5945-00-057-2401, 5331-00-291-3368, 5360-00-699-8990 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4933?

Key specifications for 4933: Straight Type Overall Length: 210.0 MILLIMETERS NOMINAL MM; Special Features: 580MM WIDE; 150MM HIGH; HOLLOW RETROFLECTOR; OLIVE DRAB IMPERTEX CASE MATERIAL MM; End Item Identification: STINGER WEAPON PLATFORM. 3 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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