PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

110121Sight Unit,mechanical

Leupold & Stevens Inc · NSN 1005-01-591-2160 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-591-2160 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-591-2160. Primary manufacturer part number: 110121.
Features
  • Sight Unit,mechanical — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Leupold & Stevens Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sight Unit,mechanical, cataloged under National Stock Number 1005-01-591-2160, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Leupold & Stevens Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSight Unit,mechanical
FSC / FSG1005 — No Item Name Available (FSG 10)
ManufacturersLeupold & Stevens Inc (CAGE 35848)
Technical Specifications
ParameterValue
NSN1005-01-591-2160
Primary Part Number110121
Item NameSight Unit,mechanical
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerLeupold & Stevens Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1680-00-054-362011012-1 INTERCHANGEABLE
Rubbing Strip,cable
Breeze-Eastern Llc
5998-00-498-8123110D121 INTERCHANGEABLE
Circuit Card Assembly
Avionics Specialties, Inc.
5330-00-916-2876 INTERCHANGEABLE
Rubber Strip
6665-01-157-711511-0121 INTERCHANGEABLE
Filtering Material
Bacharach, Inc.
5965-01-395-0051 INTERCHANGEABLE
Headset-Microphone
Cross-Reference Index
Part NumberManufacturer
110121 PRIMARY Leupold & Stevens Inc (USA)
Related Parts
1680-00-054-3620INTERCHANGEABLE
RUBBING STRIP,CABLE
11012-1
5998-00-498-8123INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
110D121
5330-00-916-2876INTERCHANGEABLE
RUBBER STRIP
6665-01-157-7115INTERCHANGEABLE
FILTERING MATERIAL
11-0121
5965-01-395-0051INTERCHANGEABLE
HEADSET-MICROPHONE

Frequently Asked Questions

What is NSN 1005-01-591-2160?

NSN 1005-01-591-2160 is a Sight Unit,mechanical, manufactured by Leupold & Stevens Inc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-591-2160?

NSN 1005-01-591-2160 has 1 cross-referenced part number: 110121 (Leupold & Stevens Inc).

What NSN replaces 1005-01-591-2160?

There are 5 known substitutes for 1005-01-591-2160: 1680-00-054-3620, 5998-00-498-8123, 5330-00-916-2876 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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