PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21301Bore,brush

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-503-0023 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-503-0023 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-503-0023. Primary manufacturer part number: 21301.
Features
  • Bore,brush — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bore,brush, cataloged under National Stock Number 1005-01-503-0023, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBore,brush
FSC / FSG1005 — No Item Name Available (FSG 10)
ManufacturersCharles Reed Knight Jr Dba Knight's Armament Company (CAGE 1S002)
Technical Specifications
ParameterValue
NSN1005-01-503-0023
Primary Part Number21301
Item NameBore,brush
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3895-00-163-238521-301 INTERCHANGEABLE
Support,scraper Blade
Komatsu America Corporation
5120-00-222-162021301 INTERCHANGEABLE
Clamp,c
Wilton Corp Wilton Tool Div
5999-00-501-785221-301 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5950-00-645-52192130-1 INTERCHANGEABLE
Transformer,audio Frequency
Electronic Transformer Corp Div Electronic Transformer Corporation
2835-00-654-675721301 INTERCHANGEABLE
Terminal Block,console
Solar Turbines Incorporated Dba Solar Turbines Incorporated
6230-01-027-32932130-1 INTERCHANGEABLE
Light,extension
Control Products Corporation
5945-01-095-390021-301 INTERCHANGEABLE
Relay,solid State
Te Connectivity Corporation
4320-01-189-696621301 INTERCHANGEABLE
Mounting Flange
Parker Hannifin Corporation Div Hydraulic Systems Division
7520-01-413-506026032 INTERCHANGEABLE
Tray,pen and Pencil
Officemate Intl Corp
4810-01-419-052121301-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21301 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
3895-00-163-2385INTERCHANGEABLE
SUPPORT,SCRAPER BLADE
21-301
5120-00-222-1620INTERCHANGEABLE
CLAMP,C
21301
5999-00-501-7852INTERCHANGEABLE
CONTACT,ELECTRICAL
21-301
5950-00-645-5219INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2130-1
2835-00-654-6757INTERCHANGEABLE
TERMINAL BLOCK,CONSOLE
21301
6230-01-027-3293INTERCHANGEABLE
LIGHT,EXTENSION
2130-1
5945-01-095-3900INTERCHANGEABLE
RELAY,SOLID STATE
21-301
4320-01-189-6966INTERCHANGEABLE
MOUNTING FLANGE
21301
7520-01-413-5060INTERCHANGEABLE
TRAY,PEN AND PENCIL
26032
4810-01-419-0521INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21301-002
6510-01-591-7740INTERCHANGEABLE
DRESSING,HEMOSTATIC
1090

Frequently Asked Questions

What is NSN 1005-01-503-0023?

NSN 1005-01-503-0023 is a Bore,brush, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-01-503-0023?

NSN 1005-01-503-0023 has 1 cross-referenced part number: 21301 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-503-0023?

There are 11 known substitutes for 1005-01-503-0023: 3895-00-163-2385, 5120-00-222-1620, 5999-00-501-7852 and 8 more. Verify interchangeability with system specifications before substitution.

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