PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3178-271Knob

Cmc Electronics Inc · NSN 5355-00-438-4126 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-438-4126 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-438-4126. Primary manufacturer part number: 3178-271.
Features
  • Knob — FSC 5355
  • Gripping Surface Condition: GRIP AID
  • Shank Style: CONCAVE
  • Shank Length: 0.187 INCHES NOMINAL IN
  • Skirt Design: NONDETACHABLE
  • Attachment Method: UNTHREADED COUNTERBORED HOLE
  • Overall Thickness: 0.750 INCHES NOMINAL IN
  • Skirt Outside Diameter: 0.687 INCHES NOMINAL IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-00-438-4126, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cmc Electronics Inc. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-438-4126
Primary Part Number3178-271
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerCmc Electronics Inc
StatusACTIVE
Gripping Surface ConditionGRIP AID
Shank StyleCONCAVE
Shank Length0.187 INCHES NOMINAL IN
Skirt DesignNONDETACHABLE
Attachment MethodUNTHREADED COUNTERBORED HOLE
Overall Thickness0.750 INCHES NOMINAL IN
Skirt Outside Diameter0.687 INCHES NOMINAL IN
ColorNATURAL
Style DesignatorROUND
Shank Diameter0.375 INCHES NOMINAL IN
Shank Radius0.187 INCHES NOMINAL IN
Outside Diameter0.687 INCHES NOMINAL IN
Skirt StyleRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5930-00-553-43421180323 INTERCHANGEABLE
Switch,pressure
Chrysler Corp Dayton Plant 1
Cross-Reference Index
Part NumberManufacturer
3178-271 PRIMARY Cmc Electronics Inc (CAN)
Related Parts
5930-00-553-4342INTERCHANGEABLE
SWITCH,PRESSURE
1180323

Frequently Asked Questions

What is NSN 5355-00-438-4126?

NSN 5355-00-438-4126 is a Knob, manufactured by Cmc Electronics Inc, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-438-4126?

NSN 5355-00-438-4126 has 1 cross-referenced part number: 3178-271 (Cmc Electronics Inc).

What NSN replaces 5355-00-438-4126?

There is 1 known substitute for 5355-00-438-4126: 5930-00-553-4342. Verify interchangeability with system specifications before substitution.

What are the specifications of 3178-271?

Key specifications for 3178-271: Gripping Surface Condition: GRIP AID; Shank Style: CONCAVE; Shank Length: 0.187 INCHES NOMINAL IN; Skirt Design: NONDETACHABLE. 13 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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