PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200178Mount,sight

Aimpoint Inc Dba Aimpoint Inc · NSN 1240-01-630-0300 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-630-0300 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-630-0300. Primary manufacturer part number: 200178.
Features
  • Mount,sight — FSC 1240
  • 1 verified cross-reference
  • Primary manufacturer: Aimpoint Inc Dba Aimpoint Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mount,sight, cataloged under National Stock Number 1240-01-630-0300, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Aimpoint Inc Dba Aimpoint Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-630-0300
Primary Part Number200178
Item NameMount,sight
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerAimpoint Inc Dba Aimpoint Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5133-00-224-4028 INTERCHANGEABLE
Drill,twist
5133-00-228-1399 INTERCHANGEABLE
Drill,twist
5310-00-350-733234D100 INTERCHANGEABLE
Washer,flat
Curtiss-Wright Controls, Inc. Div Actuation Division
5961-00-529-2527 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
200178 PRIMARY Aimpoint Inc Dba Aimpoint Inc (USA)
Related Parts
5133-00-224-4028INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1399INTERCHANGEABLE
DRILL,TWIST
5310-00-350-7332INTERCHANGEABLE
WASHER,FLAT
34D100
5961-00-529-2527INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 1240-01-630-0300?

NSN 1240-01-630-0300 is a Mount,sight, manufactured by Aimpoint Inc Dba Aimpoint Inc, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-01-630-0300?

NSN 1240-01-630-0300 has 1 cross-referenced part number: 200178 (Aimpoint Inc Dba Aimpoint Inc).

What NSN replaces 1240-01-630-0300?

There are 4 known substitutes for 1240-01-630-0300: 5133-00-224-4028, 5133-00-228-1399, 5310-00-350-7332 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200178?

Key specifications for 200178: Special Features: ECOS-O 1 O'CLOCK OFFSET SIGHT MOUNT. MOUNTS TO MIL-STD-1913 RAIL. MATTE BLACK FINISH. FOR USE WITH THE ECOS-O SIGHT, 1240-01-620-2463. W: 0.75 IN; H 1.88 IN; L: 1.38 IN; WEIGHT: 0.07 LB. W. 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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