PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

891040ISSUE2Knob

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5355-00-049-8576 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-049-8576 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-049-8576. Primary manufacturer part number: 891040ISSUE2.
Features
  • Knob — FSC 5355
  • Shank Style: STRAIGHT
  • Width Across Flats: 0.875 INCHES MAXIMUM IN
  • Overall Thickness: 2.219 INCHES NOMINAL IN
  • Attachment Method: STUD
  • Style Designator: OCTAGON
  • Nominal Thread Size: 0.250 INCHES STUD IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-00-049-8576, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-049-8576
Primary Part Number891040ISSUE2
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Shank StyleSTRAIGHT
Width Across Flats0.875 INCHES MAXIMUM IN
Overall Thickness2.219 INCHES NOMINAL IN
Attachment MethodSTUD
Style DesignatorOCTAGON
Nominal Thread Size0.250 INCHES STUD IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD
Thread Quantity Per Inch20 STUD
ColorGRAY/GREY
Gripping Surface ConditionGRIP AID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6250-00-299-37389018523 INTERCHANGEABLE
Lampholder
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
89104-2 Zf Industrieantriebe Witten Gmbh (DEU)
891040-2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
891040ISSUE2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
6250-00-299-3738INTERCHANGEABLE
LAMPHOLDER
9018523

Frequently Asked Questions

What is NSN 5355-00-049-8576?

NSN 5355-00-049-8576 is a Knob, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-049-8576?

NSN 5355-00-049-8576 has 3 cross-referenced part numbers: 89104-2 (Zf Industrieantriebe Witten Gmbh), 891040-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 891040ISSUE2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5355-00-049-8576?

There is 1 known substitute for 5355-00-049-8576: 6250-00-299-3738. Verify interchangeability with system specifications before substitution.

What are the specifications of 891040ISSUE2?

Key specifications for 891040ISSUE2: Shank Style: STRAIGHT; Width Across Flats: 0.875 INCHES MAXIMUM IN; Overall Thickness: 2.219 INCHES NOMINAL IN; Attachment Method: STUD. 10 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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