PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HA4Knob

Mahr Inc · NSN 5355-01-035-2311 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-01-035-2311 — this item is cataloged by the U.S. Government under National Stock Number 5355-01-035-2311. Primary manufacturer part number: HA4.
Features
  • Knob — FSC 5355
  • Thread Series Designator: UNF SCREW HOLE
  • Screw Drive Type: HEXAGON SOCKET
  • Overall Thickness: 0.810 INCHES NOMINAL IN
  • Attachment Method: SETSCREWS
  • Style Designator: ROUND
  • Nominal Thread Size: 0.190 INCHES SCREW HOLE IN
  • Thread Quantity Per Inch: 32 SCREW HOLE
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-01-035-2311, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mahr Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5355-01-035-2311
Primary Part NumberHA4
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerMahr Inc
StatusCANCELLED
Thread Series DesignatorUNF SCREW HOLE
Screw Drive TypeHEXAGON SOCKET
Overall Thickness0.810 INCHES NOMINAL IN
Attachment MethodSETSCREWS
Style DesignatorROUND
Nominal Thread Size0.190 INCHES SCREW HOLE IN
Thread Quantity Per Inch32 SCREW HOLE
ColorBLACK
Setscrew Hole Quantity1
Distance From Hole Center to Knob/skirt Base0.190 INCHES NOMINAL IN
Shank StyleSTRAIGHT
Shank Length0.380 INCHES NOMINAL IN
Shaft Accommodation StyleROUND
Inside Diameter0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Shank Diameter1.250 INCHES NOMINAL IN
Gripping Surface ConditionGRIP AID
Outside Diameter1.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6750-01-227-6919 INTERCHANGEABLE
Film,photographic
6750-01-238-7888 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
HA4 PRIMARY Mahr Inc (USA)
A05418-001 Moog Inc (USA)
Related Parts
6750-01-227-6919INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-238-7888INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5355-01-035-2311?

NSN 5355-01-035-2311 is a Knob, manufactured by Mahr Inc, classified under FSC 5355 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5355-01-035-2311?

NSN 5355-01-035-2311 has 2 cross-referenced part numbers: HA4 (Mahr Inc), A05418-001 (Moog Inc).

What NSN replaces 5355-01-035-2311?

There are 2 known substitutes for 5355-01-035-2311: 6750-01-227-6919, 6750-01-238-7888. Verify interchangeability with system specifications before substitution.

What are the specifications of HA4?

Key specifications for HA4: Thread Series Designator: UNF SCREW HOLE; Screw Drive Type: HEXAGON SOCKET; Overall Thickness: 0.810 INCHES NOMINAL IN; Attachment Method: SETSCREWS. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5355-01-035-2311 still in active supply?

NSN 5355-01-035-2311 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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