PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

502618Washer,flat

Transdigm Inc Div Aero Fluid Products · NSN 5310-01-160-3975 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-160-3975 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-160-3975. Primary manufacturer part number: 502618.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Overall Diameter: 0.231 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.016 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 304 or Steel Comp 321 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-160-3975, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Transdigm Inc Div Aero Fluid Products. Government technical data includes 8 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
NSN5310-01-160-3975
Primary Part Number502618
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTransdigm Inc Div Aero Fluid Products
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Overall Diameter0.231 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.016 INCHES NOMINAL IN
Center Hole Shape StyleROUND
MaterialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 321 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4240-00-022-2522A-NGH-C-1-8-1-3-2-1-3-0-0-6-0-0 INTERCHANGEABLE
Harness,safety,industrial
Mine Safety Appliances Company
5365-00-058-16797372615 INTERCHANGEABLE
Ring,lock,serrated
Us Army Aviation and Missile Command
5950-00-900-4465SMC502618-5 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5136-01-645-005350-2618 INTERCHANGEABLE
Tap,rethreading
Kastar Hand Tools
Cross-Reference Index
Part NumberManufacturer
502618 PRIMARY Transdigm Inc Div Aero Fluid Products (USA)
Related Parts
4240-00-022-2522INTERCHANGEABLE
HARNESS,SAFETY,INDUSTRIAL
A-NGH-C-1-8-1-3-2-1-3-0-0-6-0-0
5365-00-058-1679INTERCHANGEABLE
RING,LOCK,SERRATED
7372615
5950-00-900-4465INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SMC502618-5
5136-01-645-0053INTERCHANGEABLE
TAP,RETHREADING
50-2618

Frequently Asked Questions

What is NSN 5310-01-160-3975?

NSN 5310-01-160-3975 is a Washer,flat, manufactured by Transdigm Inc Div Aero Fluid Products, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-160-3975?

NSN 5310-01-160-3975 has 1 cross-referenced part number: 502618 (Transdigm Inc Div Aero Fluid Products).

What NSN replaces 5310-01-160-3975?

There are 4 known substitutes for 5310-01-160-3975: 4240-00-022-2522, 5365-00-058-1679, 5950-00-900-4465 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 502618?

Key specifications for 502618: Surface Treatment: PASSIVATE OVERALL; Hole Diameter: 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Overall Diameter: 0.231 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND. 8 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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