PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7521-2Knob

L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division · NSN 5355-00-442-0859 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-442-0859 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-442-0859. Primary manufacturer part number: 7521-2.
Features
  • Knob — FSC 5355
  • Material: ALUMINUM ALLOY
  • Style Designator: ROUND
  • Attachment Method: SCREW ON
  • Overall Thickness: 0.343 INCHES NOMINAL IN
  • Gripping Surface Condition: SMOOTH
  • Outside Diameter: 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Knob, cataloged under National Stock Number 5355-00-442-0859, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-442-0859
Primary Part Number7521-2
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerL-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
StatusACTIVE
MaterialALUMINUM ALLOY
Style DesignatorROUND
Attachment MethodSCREW ON
Overall Thickness0.343 INCHES NOMINAL IN
Gripping Surface ConditionSMOOTH
Outside Diameter0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1260-00-388-65611174052 INTERCHANGEABLE
Idler Assembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1660-00-696-946675212 INTERCHANGEABLE
Strap Assy,nosepiec
Mine Safety Appliances Company
4730-00-855-4917 INTERCHANGEABLE
Coupling,clamp,pipe
5325-01-149-551575212 INTERCHANGEABLE
Ring,retaining
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
7521-2 PRIMARY L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA)
Related Parts
1260-00-388-6561INTERCHANGEABLE
IDLER ASSEMBLY
1174052
1660-00-696-9466INTERCHANGEABLE
STRAP ASSY,NOSEPIEC
75212
4730-00-855-4917INTERCHANGEABLE
COUPLING,CLAMP,PIPE
5325-01-149-5515INTERCHANGEABLE
RING,RETAINING
75212

Frequently Asked Questions

What is NSN 5355-00-442-0859?

NSN 5355-00-442-0859 is a Knob, manufactured by L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-442-0859?

NSN 5355-00-442-0859 has 1 cross-referenced part number: 7521-2 (L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division).

What NSN replaces 5355-00-442-0859?

There are 4 known substitutes for 5355-00-442-0859: 1260-00-388-6561, 1660-00-696-9466, 4730-00-855-4917 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7521-2?

Key specifications for 7521-2: Material: ALUMINUM ALLOY; Style Designator: ROUND; Attachment Method: SCREW ON; Overall Thickness: 0.343 INCHES NOMINAL IN. 6 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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