PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27634Knob

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5355-00-685-3782 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-685-3782 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-685-3782. Primary manufacturer part number: 27634.
Features
  • Knob — FSC 5355
  • Attachment Method: SETSCREWS
  • Inside Diameter: 0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
  • Setscrew Hole Quantity: 2
  • Fluted Foil Quantity: 5
  • Gripping Surface Condition: SMOOTH
  • Screw Drive Type: CROSS RECESS TYPE 1
  • Overall Thickness: 0.805 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy A380.0 construction
General Description

The Knob, cataloged under National Stock Number 5355-00-685-3782, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 21 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
NSN5355-00-685-3782
Primary Part Number27634
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Attachment MethodSETSCREWS
Inside Diameter0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
Setscrew Hole Quantity2
Fluted Foil Quantity5
Gripping Surface ConditionSMOOTH
Screw Drive TypeCROSS RECESS TYPE 1
Overall Thickness0.805 INCHES NOMINAL IN
Thread Quantity Per Inch56 SCREW HOLE
Style DesignatorFLUTED FOILS
Nominal Thread Size0.086 INCHES SCREW HOLE IN
Skirt Outside Diameter0.631 INCHES NOMINAL IN
MaterialALUMINUM ALLOY A380.0
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Skirt DesignNONDETACHABLE
Reference MarkingARROW
Counterbore Depth0.625 INCHES NOMINAL IN
Skirt StyleRING
Distance From Hole Center to Knob/skirt Base0.597 INCHES NOMINAL IN
Counterbore Diameter0.266 INCHES NOMINAL IN
Width0.770 INCHES NOMINAL IN
Shaft Accommodation StyleCOUNTERBORED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2810-00-097-926627634 INTERCHANGEABLE
Clamp,cylinder Deflector,left Fr
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5315-00-255-4394 INTERCHANGEABLE
Pin,grooved,headless
5950-00-348-1752SM-C-249245 INTERCHANGEABLE
Core,electromagnetic Component
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4720-01-411-0716F540N0606-4-4-4-20.00 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corp Div Parflex Division
Cross-Reference Index
Part NumberManufacturer
27634 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
2810-00-097-9266INTERCHANGEABLE
CLAMP,CYLINDER DEFLECTOR,LEFT FR
27634
5315-00-255-4394INTERCHANGEABLE
PIN,GROOVED,HEADLESS
5950-00-348-1752INTERCHANGEABLE
CORE,ELECTROMAGNETIC COMPONENT
SM-C-249245
4720-01-411-0716INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
F540N0606-4-4-4-20.00

Frequently Asked Questions

What is NSN 5355-00-685-3782?

NSN 5355-00-685-3782 is a Knob, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-685-3782?

NSN 5355-00-685-3782 has 1 cross-referenced part number: 27634 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5355-00-685-3782?

There are 4 known substitutes for 5355-00-685-3782: 2810-00-097-9266, 5315-00-255-4394, 5950-00-348-1752 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27634?

Key specifications for 27634: Attachment Method: SETSCREWS; Inside Diameter: 0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN; Overall Depth: 0.770 INCHES NOMINAL IN; Setscrew Hole Quantity: 2. 22 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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