PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41663Washer,flat

Alnitak Corporation · NSN 5310-00-072-4114 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-072-4114 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-072-4114. Primary manufacturer part number: 41663.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Thickness: 0.032 INCHES NOMINAL IN
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.188 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-072-4114, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alnitak Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-072-4114
Primary Part Number41663
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAlnitak Corporation
StatusACTIVE
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Thickness0.032 INCHES NOMINAL IN
Overall Diameter0.375 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-422-5312677-0390-010 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5940-00-621-219541646-3 INTERCHANGEABLE
Terminal,taper Pin,electrical
Te Connectivity Corporation
7510-01-038-5817 INTERCHANGEABLE
Ink Cartridge
5962-01-204-381041663 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
3040-01-479-484141663 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
41663 Telemechanics Inc (USA)
41663 American Telephone and Telegraph Co (USA)
41663 PRIMARY Alnitak Corporation (USA)
Related Parts
5950-00-422-5312INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-0390-010
5940-00-621-2195INTERCHANGEABLE
TERMINAL,TAPER PIN,ELECTRICAL
41646-3
7510-01-038-5817INTERCHANGEABLE
INK CARTRIDGE
5962-01-204-3810INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41663
3040-01-479-4841INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
41663

Frequently Asked Questions

What is NSN 5310-00-072-4114?

NSN 5310-00-072-4114 is a Washer,flat, manufactured by Alnitak Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-072-4114?

NSN 5310-00-072-4114 has 3 cross-referenced part numbers: 41663 (Telemechanics Inc), 41663 (American Telephone and Telegraph Co), 41663 (Alnitak Corporation).

What NSN replaces 5310-00-072-4114?

There are 5 known substitutes for 5310-00-072-4114: 5950-00-422-5312, 5940-00-621-2195, 7510-01-038-5817 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41663?

Key specifications for 41663: Material: STEEL OVERALL; Center Hole Shape Style: ROUND; Thickness: 0.032 INCHES NOMINAL IN; Overall Diameter: 0.375 INCHES NOMINAL IN. 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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