PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300021Collar Assembly

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1005-00-158-1646 · FSC 1005 · No Item Name Available
Verified by PartsTable
NSN 1005-00-158-1646 — this item is cataloged by the U.S. Government under National Stock Number 1005-00-158-1646. Primary manufacturer part number: 300021.
Features
  • Collar Assembly — FSC 1005
  • 1 verified cross-reference
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Collar Assembly, cataloged under National Stock Number 1005-00-158-1646, is classified within Federal Supply Class 1005 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCollar Assembly
FSC / FSG1005 — No Item Name Available (FSG 10)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
ParameterValue
NSN1005-00-158-1646
Primary Part Number300021
Item NameCollar Assembly
FSC / FSG1005 / 10 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-007-9242950130-1C INTERCHANGEABLE
Relay,solid State
Raytheon Company Dba Raytheon
5905-00-160-6856300021 INTERCHANGEABLE
Resistor
Telemechanics Inc
1660-00-329-18513000-21 INTERCHANGEABLE
Cam and Shaft Assy,
Essex Industries, Inc. Dba Essex Industries
5895-00-553-8345 INTERCHANGEABLE
Signal Device South
2835-00-752-5106511150-21 INTERCHANGEABLE
Plate,set Gas Turbi
Delavan Inc Dba Turbine Fuel Technologies
2540-01-133-7716300021PS INTERCHANGEABLE
Track,seat,vehicula
Seats Inc Div Seats Incorporated
3433-01-476-0952S300021 INTERCHANGEABLE
Injector,powder
Oerlikon Metco Us Inc
Cross-Reference Index
Part NumberManufacturer
300021 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5945-00-007-9242INTERCHANGEABLE
RELAY,SOLID STATE
950130-1C
5905-00-160-6856INTERCHANGEABLE
RESISTOR
300021
1660-00-329-1851INTERCHANGEABLE
CAM AND SHAFT ASSY,
3000-21
5895-00-553-8345INTERCHANGEABLE
SIGNAL DEVICE SOUTH
2835-00-752-5106INTERCHANGEABLE
PLATE,SET GAS TURBI
511150-21
2540-01-133-7716INTERCHANGEABLE
TRACK,SEAT,VEHICULA
300021PS
3433-01-476-0952INTERCHANGEABLE
INJECTOR,POWDER
S300021

Frequently Asked Questions

What is NSN 1005-00-158-1646?

NSN 1005-00-158-1646 is a Collar Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1005 (No Item Name Available). Status: active.

What are the part numbers for NSN 1005-00-158-1646?

NSN 1005-00-158-1646 has 1 cross-referenced part number: 300021 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 1005-00-158-1646?

There are 7 known substitutes for 1005-00-158-1646: 5945-00-007-9242, 5905-00-160-6856, 1660-00-329-1851 and 4 more. Verify interchangeability with system specifications before substitution.

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