PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56979Nut,plain,hexagon

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-00-724-6071 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-724-6071 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-724-6071. Primary manufacturer part number: 56979.
Features
  • Nut,plain,hexagon — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Nut Height: 0.156 INCHES NOMINAL IN
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Quantity Per Inch: 18
  • Hole Configuration Style: CONFIGURATION H
  • Thread Series: UNF
  • Bearing Surface Type: CHAMFERED
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 5310-00-724-6071, 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 15 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-724-6071
Primary Part Number56979
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Nut Height0.156 INCHES NOMINAL IN
Nominal Thread Size0.625 INCHES IN
Thread Quantity Per Inch18
Hole Configuration StyleCONFIGURATION H
Thread SeriesUNF
Bearing Surface TypeCHAMFERED
Drilled Hole Diameter0.047 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OVERALL
Nut StyleHEXAGON
Thread Class3B
Hole Type and Quantity3 DRILLED
Width Across Flats0.938 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5975-00-079-8781 INTERCHANGEABLE
Bushing,electrical Conduit
5320-00-770-57217705721 INTERCHANGEABLE
Rivet,tubular
U S Army Tank Automotive Command Amsta-Im-Mm
2520-00-904-9254 INTERCHANGEABLE
Shaft,rear Axle
5310-01-168-3869 INTERCHANGEABLE
Nut,plain,plate
6625-01-303-8344 INTERCHANGEABLE
Test Set,electronic Systems
6645-01-336-364710836804 INTERCHANGEABLE
Meter,time Totalizing
Stewart-Warner Corporation
6680-01-339-8291 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
5342-01-363-28633874 INTERCHANGEABLE
Mount,resilient,weapon System
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
6510-01-364-140873458-47 INTERCHANGEABLE
Bandage,cast,impregnated
Bsn Medical Inc
5330-01-376-96603874 INTERCHANGEABLE
Gasket
Corken International Corp Sub of Hinderliter Industries Inc
Cross-Reference Index
Part NumberManufacturer
3874 Hobbs Corp (USA)
56979 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
D39095 Cnh Industrial America Llc Dba Cnh America (USA)
Related Parts
5975-00-079-8781INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
5320-00-770-5721INTERCHANGEABLE
RIVET,TUBULAR
7705721
2520-00-904-9254INTERCHANGEABLE
SHAFT,REAR AXLE
5310-01-168-3869INTERCHANGEABLE
NUT,PLAIN,PLATE
6625-01-303-8344INTERCHANGEABLE
TEST SET,ELECTRONIC SYSTEMS
6645-01-336-3647INTERCHANGEABLE
METER,TIME TOTALIZING
10836804
6680-01-339-8291INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
5342-01-363-2863INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
3874
6510-01-364-1408INTERCHANGEABLE
BANDAGE,CAST,IMPREGNATED
73458-47
5330-01-376-9660INTERCHANGEABLE
GASKET
3874

Frequently Asked Questions

What is NSN 5310-00-724-6071?

NSN 5310-00-724-6071 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 5310-00-724-6071?

NSN 5310-00-724-6071 has 3 cross-referenced part numbers: 3874 (Hobbs Corp), 56979 (Parker Hannifin Corporation Div Hydraulic Systems Division), D39095 (Cnh Industrial America Llc Dba Cnh America).

What NSN replaces 5310-00-724-6071?

There are 10 known substitutes for 5310-00-724-6071: 5975-00-079-8781, 5320-00-770-5721, 2520-00-904-9254 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56979?

Key specifications for 56979: Surface Treatment: PASSIVATE OVERALL; Nut Height: 0.156 INCHES NOMINAL IN; Nominal Thread Size: 0.625 INCHES IN; Thread Quantity Per Inch: 18. 15 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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