PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53531Nut,plain,hexagon

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-00-008-8969 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-008-8969 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-008-8969. Primary manufacturer part number: 53531.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 24
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Series: UNEF
  • Hole Configuration Style: CONFIGURATION B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-008-8969, 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 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-008-8969
Primary Part Number53531
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Width Across Flats0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Nominal Thread Size0.625 INCHES IN
Thread SeriesUNEF
Hole Configuration StyleCONFIGURATION B
Bearing Surface TypeCHAMFERED
Material Document and ClassificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Drilled Hole Diameter0.062 INCHES NOMINAL IN
Countersink Angle110.0 DEGREES NOMINAL NUT
Surface TreatmentPASSIVATE OVERALL
Thread Class3B
MaterialSTEEL COMP 303 OVERALL
Surface Treatment Document and ClassificationMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Type and Quantity3 DRILLED
Nut Height0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-224-4038 INTERCHANGEABLE
Drill,twist
3040-00-562-699111-1/8-5353-1 INTERCHANGEABLE
Shoe,pln
Kingsbury Inc.
5962-01-097-403667252-0022 INTERCHANGEABLE
Microcircuit,digital
Bae Systems Information & Electronic Systems Integration Inc.
5962-01-110-486767252-0015 INTERCHANGEABLE
Microcircuit,memory
Bae Systems Information & Electronic Systems Integration Inc.
5962-01-112-773667252-0009 INTERCHANGEABLE
Microcircuit,digital
Bae Systems Information & Electronic Systems Integration Inc.
5895-01-220-22125353-1 INTERCHANGEABLE
Frequency Multiplier
Drs Codem Systems, Inc Div Drs Codem Systems, Inc. (west)
5340-01-670-84635353-1 INTERCHANGEABLE
Adapter,tie Down
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
53531 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5133-00-224-4038INTERCHANGEABLE
DRILL,TWIST
3040-00-562-6991INTERCHANGEABLE
SHOE,PLN
11-1/8-5353-1
5962-01-097-4036INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
67252-0022
5962-01-110-4867INTERCHANGEABLE
MICROCIRCUIT,MEMORY
67252-0015
5962-01-112-7736INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
67252-0009
5895-01-220-2212INTERCHANGEABLE
FREQUENCY MULTIPLIER
5353-1
5340-01-670-8463INTERCHANGEABLE
ADAPTER,TIE DOWN
5353-1

Frequently Asked Questions

What is NSN 5310-00-008-8969?

NSN 5310-00-008-8969 is a Nut,plain,hexagon, 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 5310-00-008-8969?

NSN 5310-00-008-8969 has 1 cross-referenced part number: 53531 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5310-00-008-8969?

There are 7 known substitutes for 5310-00-008-8969: 5133-00-224-4038, 3040-00-562-6991, 5962-01-097-4036 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53531?

Key specifications for 53531: Nut Style: HEXAGON; Thread Direction: RIGHT-HAND; Width Across Flats: 0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN; Thread Quantity Per Inch: 24. 17 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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