PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21394Muzzle Compensator

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 1005-01-537-0028 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-01-537-0028 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-537-0028. Primary manufacturer part number: 21394.
Features
  • Muzzle Compensator — 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 Muzzle Compensator, cataloged under National Stock Number 1005-01-537-0028, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1005-01-537-0028
Primary Part Number21394
Item NameMuzzle Compensator
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-392-552021-394 INTERCHANGEABLE
Contact,electrical
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5970-00-694-72802-139-4 INTERCHANGEABLE
Strip,insulation Sh
Precision Aerospace Corporation Dba Precision Engine Control
5950-00-843-658667393 INTERCHANGEABLE
Transformer,power
Magnetek Inc Lighting Products Group
9540-01-156-5484 INTERCHANGEABLE
Beam,structural
4720-01-248-811721394 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5935-01-589-854721394 INTERCHANGEABLE
Connector,plug,electrical
Vicor Corp Dba Vicorpowercom
Cross-Reference Index
Part NumberManufacturer
21394 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
Related Parts
5999-00-392-5520INTERCHANGEABLE
CONTACT,ELECTRICAL
21-394
5970-00-694-7280INTERCHANGEABLE
STRIP,INSULATION SH
2-139-4
5950-00-843-6586INTERCHANGEABLE
TRANSFORMER,POWER
67393
9540-01-156-5484INTERCHANGEABLE
BEAM,STRUCTURAL
4720-01-248-8117INTERCHANGEABLE
HOSE,PREFORMED
21394
5935-01-589-8547INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
21394

Frequently Asked Questions

What is NSN 1005-01-537-0028?

NSN 1005-01-537-0028 is a Muzzle Compensator, 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 1005-01-537-0028?

NSN 1005-01-537-0028 has 1 cross-referenced part number: 21394 (Charles Reed Knight Jr Dba Knight's Armament Company).

What NSN replaces 1005-01-537-0028?

There are 6 known substitutes for 1005-01-537-0028: 5999-00-392-5520, 5970-00-694-7280, 5950-00-843-6586 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21394?

Key specifications for 21394: End Item Identification: 1005-01-382-0953; Part Name Assigned by Controlling Agency: SUPPRESSOR BODY; Special Features: FOR 5.56 MM CARBINE MM. 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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