PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53A68A125Washer,recessed

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5310-00-078-0032 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-078-0032 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-078-0032. Primary manufacturer part number: 53A68A125.
Features
  • Washer,recessed — FSC 5310
  • Recess Diameter: 0.540 INCHES NOMINAL IN
  • Outside Diameter: 0.683 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
  • Recess Angle: 90.0 DEGREES NOMINAL
  • Material Thickness: 0.156 INCHES NOMINAL IN
  • Hole Diameter: 0.500 INCHES NOMINAL IN
  • Material: NICKEL ALLOY A OVERALL
  • Style Designator: RECESSED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy a Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-078-0032, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-078-0032
Primary Part Number53A68A125
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Recess Diameter0.540 INCHES NOMINAL IN
Outside Diameter0.683 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
Recess Angle90.0 DEGREES NOMINAL
Material Thickness0.156 INCHES NOMINAL IN
Hole Diameter0.500 INCHES NOMINAL IN
MaterialNICKEL ALLOY A OVERALL
Style DesignatorRECESSED
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-302-9472242027P3 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
9540-00-595-6486 INTERCHANGEABLE
Angle,structural
5977-00-832-5316 INTERCHANGEABLE
Brush,electrical Contact
4730-00-987-7544P80433 INTERCHANGEABLE
Plug,inlet Valve
Lexair Inc
9540-01-071-3504 INTERCHANGEABLE
Angle,structural
4330-01-072-77280113-0001 INTERCHANGEABLE
Filter,polarizing
Rogerson Kratos
8145-01-251-730415647 INTERCHANGEABLE
Shipping and Storage Container,e
Naval Inventory Control Point
3010-01-306-4113 INTERCHANGEABLE
Gear Assembly,speed Decreaser
3130-01-329-20676044T97P02 INTERCHANGEABLE
Bearing Unit,ball
Mpb Corporation Dba Mpb Corp
6515-01-463-5746OM0504011 INTERCHANGEABLE
Needle,eye,electrosurgical
Allergan Inc
Cross-Reference Index
Part NumberManufacturer
53A68A125 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
15647 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5950-00-302-9472INTERCHANGEABLE
REACTOR
242027P3
9540-00-595-6486INTERCHANGEABLE
ANGLE,STRUCTURAL
5977-00-832-5316INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4730-00-987-7544INTERCHANGEABLE
PLUG,INLET VALVE
P80433
9540-01-071-3504INTERCHANGEABLE
ANGLE,STRUCTURAL
4330-01-072-7728INTERCHANGEABLE
FILTER,POLARIZING
0113-0001
8145-01-251-7304INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
15647
3010-01-306-4113INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
3130-01-329-2067INTERCHANGEABLE
BEARING UNIT,BALL
6044T97P02
6515-01-463-5746INTERCHANGEABLE
NEEDLE,EYE,ELECTROSURGICAL
OM0504011
5340-01-518-5031INTERCHANGEABLE
KEYSHAFT ASSEMBLY CMBLY
15647

Frequently Asked Questions

What is NSN 5310-00-078-0032?

NSN 5310-00-078-0032 is a Washer,recessed, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-078-0032?

NSN 5310-00-078-0032 has 2 cross-referenced part numbers: 53A68A125 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 15647 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5310-00-078-0032?

There are 11 known substitutes for 5310-00-078-0032: 5950-00-302-9472, 9540-00-595-6486, 5977-00-832-5316 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53A68A125?

Key specifications for 53A68A125: Recess Diameter: 0.540 INCHES NOMINAL IN; Outside Diameter: 0.683 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN; Recess Angle: 90.0 DEGREES NOMINAL; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com