PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

350633Fairlead,block

Lockheed Martin Corp · NSN 5342-01-438-8172 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-438-8172 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-438-8172. Primary manufacturer part number: 350633.
Features
  • Fairlead,block — FSC 5342
  • Mounting Facility Quantity: 44
  • Overall Thickness: 0.064 INCHES NOMINAL0.064 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)UNTHREADED HOLE(S)
  • Material Document and Classification: QQ-A-362-T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Fairlead,block, cataloged under National Stock Number 5342-01-438-8172, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-01-438-8172
Primary Part Number350633
Item NameFairlead,block
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerLockheed Martin Corp
StatusACTIVE
Mounting Facility Quantity44
Overall Thickness0.064 INCHES NOMINAL0.064 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)UNTHREADED HOLE(S)
Material Document and ClassificationQQ-A-362-T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-136-3890 INTERCHANGEABLE
Resistor,fixed,composition
6610-00-621-3466350633 INTERCHANGEABLE
Indicator,heading,gyroscopic
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
350633 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5905-00-136-3890INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6610-00-621-3466INTERCHANGEABLE
INDICATOR,HEADING,GYROSCOPIC
350633

Frequently Asked Questions

What is NSN 5342-01-438-8172?

NSN 5342-01-438-8172 is a Fairlead,block, manufactured by Lockheed Martin Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-438-8172?

NSN 5342-01-438-8172 has 1 cross-referenced part number: 350633 (Lockheed Martin Corp).

What NSN replaces 5342-01-438-8172?

There are 2 known substitutes for 5342-01-438-8172: 5905-00-136-3890, 6610-00-621-3466. Verify interchangeability with system specifications before substitution.

What are the specifications of 350633?

Key specifications for 350633: Mounting Facility Quantity: 44; Overall Thickness: 0.064 INCHES NOMINAL0.064 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S)UNTHREADED HOLE(S); Material Document and Classification: QQ-A-362-T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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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