PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72218Washer,flat

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 5310-00-547-3528 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-547-3528 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-547-3528. Primary manufacturer part number: 72218.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 1.500 INCHES NOMINAL IN
  • Material: STEEL COMP 302 OVERALL
  • Material Document and Classification: -1L-S-5059 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-547-3528, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-547-3528
Primary Part Number72218
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Hole Diameter1.500 INCHES NOMINAL IN
MaterialSTEEL COMP 302 OVERALL
Material Document and Classification-1L-S-5059 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter2.000 INCHES NOMINAL IN
Thickness0.030 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-275-00012X6653A INTERCHANGEABLE
Cone and Rollers,tapered Roller
Napco International Llc Dba Napco International Inc
3120-00-388-419418M26105 INTERCHANGEABLE
Bearing Half,sleeve
Textron Lycoming Inc Williamsport Plant
5975-00-944-635372218 INTERCHANGEABLE
Elbow,electrical Conduit
Unison Industries Llc
5305-01-400-2832777-2218 INTERCHANGEABLE
Setscrew
Deutz Corporation
5985-01-602-8759074218-000-000 INTERCHANGEABLE
Coupler,directional
Northrop Grumman Systems Corporation
5360-01-653-892372218 INTERCHANGEABLE
Spring,helical,compression
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
72115PC40 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
72218 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
3110-00-275-0001INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2X6653A
3120-00-388-4194INTERCHANGEABLE
BEARING HALF,SLEEVE
18M26105
5975-00-944-6353INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
72218
5305-01-400-2832INTERCHANGEABLE
SETSCREW
777-2218
5985-01-602-8759INTERCHANGEABLE
COUPLER,DIRECTIONAL
074218-000-000
5360-01-653-8923INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
72218

Frequently Asked Questions

What is NSN 5310-00-547-3528?

NSN 5310-00-547-3528 is a Washer,flat, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-547-3528?

NSN 5310-00-547-3528 has 2 cross-referenced part numbers: 72115PC40 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 72218 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 5310-00-547-3528?

There are 6 known substitutes for 5310-00-547-3528: 3110-00-275-0001, 3120-00-388-4194, 5975-00-944-6353 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 72218?

Key specifications for 72218: Hole Diameter: 1.500 INCHES NOMINAL IN; Material: STEEL COMP 302 OVERALL; Material Document and Classification: -1L-S-5059 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 10 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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