PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49019Mount,sight,small Arms

Fn America Llc Div Columbia, Sc · NSN 1005-01-558-6926 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-558-6926 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-558-6926. Primary manufacturer part number: 49019.
Features
  • Mount,sight,small Arms — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Fn America Llc Div Columbia, Sc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mount,sight,small Arms, cataloged under National Stock Number 1005-01-558-6926, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Fn America Llc Div Columbia, Sc. 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
NSN1005-01-558-6926
Primary Part Number49019
Item NameMount,sight,small Arms
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerFn America Llc Div Columbia, Sc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-226-7767 INTERCHANGEABLE
Screw,cap,hexagon Head
4820-01-162-509549019 INTERCHANGEABLE
Valve,check
Eaton Corporation Dba Eaton Inoac Div Eaton
2940-01-488-7947 INTERCHANGEABLE
Filter,fluid
Cross-Reference Index
Part NumberManufacturer
49019 PRIMARY Fn America Llc Div Columbia, Sc (USA)
Related Parts
5305-00-226-7767INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4820-01-162-5095INTERCHANGEABLE
VALVE,CHECK
49019
2940-01-488-7947INTERCHANGEABLE
FILTER,FLUID

Frequently Asked Questions

What is NSN 1005-01-558-6926?

NSN 1005-01-558-6926 is a Mount,sight,small Arms, manufactured by Fn America Llc Div Columbia, Sc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-558-6926?

NSN 1005-01-558-6926 has 1 cross-referenced part number: 49019 (Fn America Llc Div Columbia, Sc).

What NSN replaces 1005-01-558-6926?

There are 3 known substitutes for 1005-01-558-6926: 5305-00-226-7767, 4820-01-162-5095, 2940-01-488-7947. Verify interchangeability with system specifications before substitution.

What are the specifications of 49019?

Key specifications for 49019: End Item Identification: MK48 MOD 1; Part Name Assigned by Controlling Agency: LOWER RAIL. 2 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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