PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55448Nut,special

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5310-00-786-7090 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-786-7090 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-786-7090. Primary manufacturer part number: 55448.
Features
  • Nut,special — FSC 5310
  • General Characteristics Item Description: CARBON STEEL; 1.187 IN. NOM ID; 0.320 IN. NOM W; 1-3/4-16 NEF-3A THD,LEFT AHDN; 8 SLOTS 0.125 IN. W,0.110 IN. DEEP EQUALLY SPACED AROUND BOLT CIRCLE A
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,special, cataloged under National Stock Number 5310-00-786-7090, 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 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-786-7090
Primary Part Number55448
Item NameNut,special
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
General Characteristics Item DescriptionCARBON STEEL; 1.187 IN. NOM ID; 0.320 IN. NOM W; 1-3/4-16 NEF-3A THD,LEFT AHDN; 8 SLOTS 0.125 IN. W,0.110 IN. DEEP EQUALLY SPACED AROUND BOLT CIRCLE A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-154-84731370 INTERCHANGEABLE
Seal,plain Encased
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5330-00-179-1916 INTERCHANGEABLE
Seal,plain Encased
1650-00-486-187055448 INTERCHANGEABLE
Coupling,worm Wheel
Goodrich Corporation Dba Goodrich Corp
5133-00-839-549415061 INTERCHANGEABLE
Drill,twist
Morse Cutting Tools
6680-01-553-337855448 INTERCHANGEABLE
Parts Kit,float Type Liquid Quan
Spirax Sarco Inc Dba Spirax Sarco
5995-01-729-302455448 INTERCHANGEABLE
Cable Assembly and Reel
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
55448 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5330-00-154-8473INTERCHANGEABLE
SEAL,PLAIN ENCASED
1370
5330-00-179-1916INTERCHANGEABLE
SEAL,PLAIN ENCASED
1650-00-486-1870INTERCHANGEABLE
COUPLING,WORM WHEEL
55448
5133-00-839-5494INTERCHANGEABLE
DRILL,TWIST
15061
6680-01-553-3378INTERCHANGEABLE
PARTS KIT,FLOAT TYPE LIQUID QUAN
55448
5995-01-729-3024INTERCHANGEABLE
CABLE ASSEMBLY AND REEL
55448

Frequently Asked Questions

What is NSN 5310-00-786-7090?

NSN 5310-00-786-7090 is a Nut,special, 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 5310-00-786-7090?

NSN 5310-00-786-7090 has 1 cross-referenced part number: 55448 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5310-00-786-7090?

There are 6 known substitutes for 5310-00-786-7090: 5330-00-154-8473, 5330-00-179-1916, 1650-00-486-1870 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55448?

Key specifications for 55448: General Characteristics Item Description: CARBON STEEL; 1.187 IN. NOM ID; 0.320 IN. NOM W; 1-3/4-16 NEF-3A THD,LEFT AHDN; 8 SLOTS 0.125 IN. W,0.110 IN. DEEP EQUALLY SPACED AROUND BOLT CIRCLE A. 1 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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