PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82021Sight,front

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 1005-01-357-4806 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-357-4806 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-357-4806. Primary manufacturer part number: 82021.
Features
  • Sight,front — FSC 1005
  • Weapon Size Designation: .50 CALIBER
  • Weapon Model Number: 82A1A
  • 1 verified cross-reference
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sight,front, cataloged under National Stock Number 1005-01-357-4806, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. Government technical data includes 2 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-357-4806
Primary Part Number82021
Item NameSight,front
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Weapon Size Designation.50 CALIBER
Weapon Model Number82A1A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-733-370210B INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
5331-01-101-806740022400 INTERCHANGEABLE
O-Ring
Hatz Diesel of America Inc
5962-01-169-8024 INTERCHANGEABLE
Microcircuit,digital
3020-01-239-7713820-21 INTERCHANGEABLE
Sprocket Wheel
Insinger Machine Co
5962-01-252-0808 INTERCHANGEABLE
Microcircuit,digital
5915-01-255-8696 INTERCHANGEABLE
Filter,radio Frequency Interfere
5962-01-264-2997 INTERCHANGEABLE
Microcircuit,digital
5962-01-264-3000 INTERCHANGEABLE
Microcircuit,digital
5962-01-264-3001 INTERCHANGEABLE
Microcircuit,digital
5962-01-264-3003 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
82021 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
6625-00-733-3702INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
10B
5331-01-101-8067INTERCHANGEABLE
O-RING
40022400
5962-01-169-8024INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3020-01-239-7713INTERCHANGEABLE
SPROCKET WHEEL
820-21
5962-01-252-0808INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5915-01-255-8696INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5962-01-264-2997INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-264-3000INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-264-3001INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-264-3003INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-275-8303INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-342-7555INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 1005-01-357-4806?

NSN 1005-01-357-4806 is a Sight,front, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-357-4806?

NSN 1005-01-357-4806 has 1 cross-referenced part number: 82021 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 1005-01-357-4806?

There are 12 known substitutes for 1005-01-357-4806: 6625-00-733-3702, 5331-01-101-8067, 5962-01-169-8024 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82021?

Key specifications for 82021: Weapon Size Designation: .50 CALIBER; End Item Identification: 1005-01-347-4857; Weapon Model Number: 82A1A. 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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