PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51919Cover,gunsight

Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc · NSN 1005-01-626-5401 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-626-5401 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-626-5401. Primary manufacturer part number: 51919.
Features
  • Cover,gunsight — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,gunsight, cataloged under National Stock Number 1005-01-626-5401, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-626-5401
Primary Part Number51919
Item NameCover,gunsight
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerNammo Defense Systems Inc. Dba Nammo Defense Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5998-00-066-688851919 INTERCHANGEABLE
Circuit Card Assembly
L3harris Technologies, Inc. Div Space and Airborne Systems
6680-01-280-891651919 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
9540-01-300-288051919 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
Cross-Reference Index
Part NumberManufacturer
51919 PRIMARY Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
Related Parts
5998-00-066-6888INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
51919
6680-01-280-8916INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
51919
9540-01-300-2880INTERCHANGEABLE
ANGLE,STRUCTURAL
51919

Frequently Asked Questions

What is NSN 1005-01-626-5401?

NSN 1005-01-626-5401 is a Cover,gunsight, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-626-5401?

NSN 1005-01-626-5401 has 1 cross-referenced part number: 51919 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).

What NSN replaces 1005-01-626-5401?

There are 3 known substitutes for 1005-01-626-5401: 5998-00-066-6888, 6680-01-280-8916, 9540-01-300-2880. Verify interchangeability with system specifications before substitution.

What are the specifications of 51919?

Key specifications for 51919: End Item Identification: NSN 1055-01-583-9116. 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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