PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53805Nut,plain,round

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-00-305-1181 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-305-1181 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-305-1181. Primary manufacturer part number: 53805.
Features
  • Nut,plain,round — FSC 5310
  • Thread Quantity Per Inch: 20
  • Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Nominal Thread Size: 0.750 INCHES IN
  • Thread Series: UNJEF
  • Thread Class: 3B
  • Nut Diameter: 0.940 INCHES NOMINAL IN
  • Material Document and Classification: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-305-1181, 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 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-305-1181
Primary Part Number53805
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Thread Quantity Per Inch20
Hardness Rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Nominal Thread Size0.750 INCHES IN
Thread SeriesUNJEF
Thread Class3B
Nut Diameter0.940 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Nut Thickness0.180 INCHES NOMINAL IN
Countersink Angle45.0 DEGREES NOMINAL NUT
Nut StyleROUND
MaterialSTEEL COMP 4140 OVERALL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5841-00-090-3023 INTERCHANGEABLE
Arm,special
5330-00-913-125653806-51 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
53805 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5841-00-090-3023INTERCHANGEABLE
ARM,SPECIAL
5330-00-913-1256INTERCHANGEABLE
GASKET
53806-51

Frequently Asked Questions

What is NSN 5310-00-305-1181?

NSN 5310-00-305-1181 is a Nut,plain,round, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-305-1181?

NSN 5310-00-305-1181 has 1 cross-referenced part number: 53805 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5310-00-305-1181?

There are 2 known substitutes for 5310-00-305-1181: 5841-00-090-3023, 5330-00-913-1256. Verify interchangeability with system specifications before substitution.

What are the specifications of 53805?

Key specifications for 53805: Thread Quantity Per Inch: 20; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Nominal Thread Size: 0.750 INCHES IN; Thread Series: UNJEF. 13 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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