PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53508Washer,flat

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-00-474-6935 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-474-6935 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-474-6935. Primary manufacturer part number: 53508.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
  • Hole Diameter: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
  • Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
  • Overall Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting or Steel Comp 321 or Steel Comp 347 or Steel Comp 348 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-474-6935, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 8 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-474-6935
Primary Part Number53508
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusCANCELLED
Center Hole Shape StyleROUND
MaterialSTEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
Hole Diameter0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
Thickness0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
Overall Diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5841-00-090-629353-508 INTERCHANGEABLE
Plate Asy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5310-01-351-23025599386-1 INTERCHANGEABLE
Washer,flat
Naval Sea Systems Command
5315-01-602-445653508 INTERCHANGEABLE
Pin,quick Release
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
8465-01-649-272753508 INTERCHANGEABLE
Bag,water Carrying
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
53508 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
53508 Parker-Hannifin Corporation Dba Control Systems Division (USA)
5599386-1 Naval Sea Systems Command (USA)
Related Parts
5841-00-090-6293INTERCHANGEABLE
PLATE ASY
53-508
5310-01-351-2302INTERCHANGEABLE
WASHER,FLAT
5599386-1
5315-01-602-4456INTERCHANGEABLE
PIN,QUICK RELEASE
53508
8465-01-649-2727INTERCHANGEABLE
BAG,WATER CARRYING
53508

Frequently Asked Questions

What is NSN 5310-00-474-6935?

NSN 5310-00-474-6935 is a Washer,flat, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-474-6935?

NSN 5310-00-474-6935 has 3 cross-referenced part numbers: 53508 (Parker Hannifin Corporation Div Hydraulic Systems Division), 53508 (Parker-Hannifin Corporation Dba Control Systems Division), 5599386-1 (Naval Sea Systems Command).

What NSN replaces 5310-00-474-6935?

There are 4 known substitutes for 5310-00-474-6935: 5841-00-090-6293, 5310-01-351-2302, 5315-01-602-4456 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53508?

Key specifications for 53508: Center Hole Shape Style: ROUND; Material: STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL; Hole Diameter: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-474-6935 still in active supply?

NSN 5310-00-474-6935 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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