PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21308Sling

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-503-0020 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-503-0020 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-503-0020. Primary manufacturer part number: 21308.
Features
  • Sling — 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 Sling, cataloged under National Stock Number 1005-01-503-0020, 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.

Technical Specifications
ParameterValue
NSN1005-01-503-0020
Primary Part Number21308
Item NameSling
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
4820-00-243-4815 INTERCHANGEABLE
Valve,y
5999-00-422-849121-308 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
9540-00-585-7202 INTERCHANGEABLE
Angle,structural
6145-00-643-2107 INTERCHANGEABLE
Cable,radio Frequency
2910-00-930-16577016001 INTERCHANGEABLE
Carburetor,float
General Motors Llc Dba General Motors Llc
5950-01-015-885621308 INTERCHANGEABLE
Transformer,power
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
3120-01-272-327521308 INTERCHANGEABLE
Bearing,sleeve
Parker Hannifin Corp Dba Pneutronics
4810-01-430-415521308-1004-1 INTERCHANGEABLE
Sleeve,drive,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-430-416121308-1003-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-469-266821308-001 INTERCHANGEABLE
Valve,dir Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21308 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
4820-00-243-4815INTERCHANGEABLE
VALVE,Y
5999-00-422-8491INTERCHANGEABLE
CONTACT,ELECTRICAL
21-308
9540-00-585-7202INTERCHANGEABLE
ANGLE,STRUCTURAL
6145-00-643-2107INTERCHANGEABLE
CABLE,RADIO FREQUENCY
2910-00-930-1657INTERCHANGEABLE
CARBURETOR,FLOAT
7016001
5950-01-015-8856INTERCHANGEABLE
TRANSFORMER,POWER
21308
3120-01-272-3275INTERCHANGEABLE
BEARING,SLEEVE
21308
4810-01-430-4155INTERCHANGEABLE
SLEEVE,DRIVE,VALVE
21308-1004-1
4810-01-430-4161INTERCHANGEABLE
PISTON,VALVE
21308-1003-1
4820-01-469-2668INTERCHANGEABLE
VALVE,DIR CONTROL
21308-001
4930-01-528-9562INTERCHANGEABLE
CONTROL,DAMPER
21308

Frequently Asked Questions

What is NSN 1005-01-503-0020?

NSN 1005-01-503-0020 is a Sling, 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 1005-01-503-0020?

NSN 1005-01-503-0020 has 1 cross-referenced part number: 21308 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-503-0020?

There are 11 known substitutes for 1005-01-503-0020: 4820-00-243-4815, 5999-00-422-8491, 9540-00-585-7202 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21308?

Key specifications for 21308: End Item Identification: MARK 11, MOD 0, SNIPER WEAPON SYSTEM. 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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