PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01561001Bolt,fluid Passage

Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division · NSN 4730-00-137-0526 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-137-0526 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-137-0526. Primary manufacturer part number: 01561001.
Features
  • Bolt,fluid Passage — FSC 4730
  • First End Thread Quantity Per Inch: 12
  • Length From Bearing Surface of Wrenching Feature to End of First Diameter: 7.311 INCHES NOMINAL IN
  • First Diameter From Wrenching Feature: 1.750 INCHES NOMINAL IN
  • First End Thread Length: 1.188 INCHES NOMINAL IN
  • Material: STEEL
  • Wrenching Feature Height: 0.438 INCHES NOMINAL IN
  • First End Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-137-0526, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-137-0526
Primary Part Number01561001
Item NameBolt,fluid Passage
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
StatusACTIVE
First End Thread Quantity Per Inch12
Length From Bearing Surface of Wrenching Feature to End of First Diameter7.311 INCHES NOMINAL IN
First Diameter From Wrenching Feature1.750 INCHES NOMINAL IN
First End Thread Length1.188 INCHES NOMINAL IN
MaterialSTEEL
Wrenching Feature Height0.438 INCHES NOMINAL IN
First End Thread Class3A A
First End Nominal Thread Size1.750 INCHES IN
Wrenching Feature StyleHEXAGON
First End Style DesignatorPLAIN
First End Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Across Flats1.313 INCHES NOMINAL IN
Surface TreatmentCADMIUM
First End Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3020-00-488-3692 INTERCHANGEABLE
Gear Cluster
5330-00-609-92871599 INTERCHANGEABLE
Gasket
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6810-00-681-5545NX415 INTERCHANGEABLE
Triethanolamine
Matheson Co Div of G D Searle Medical Products
4510-00-767-0544 INTERCHANGEABLE
Parts Kit,water Closet
5340-00-769-2209 INTERCHANGEABLE
Bumper
2520-00-891-3923BBC1669 INTERCHANGEABLE
Pressure Plate Assembly,clutch
Sachs-Boge of America
4730-01-098-013205710BC06 INTERCHANGEABLE
Elbow,pipe to Hose
Danfoss Power Solutions II, Llc
5330-01-126-09621599 INTERCHANGEABLE
Gasket
Pressure Products Industries Inc
1005-01-285-45911599 INTERCHANGEABLE
Extractor,cartridge
O F Mossberg & Sons Inc
4730-01-325-4140010FY-50404XXX INTERCHANGEABLE
Strainer,sediment
The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C
Cross-Reference Index
Part NumberManufacturer
4730PL0788500 Jednolity Indeks Materialowy - Uniform Material Index (POL)
T11505-92 Bobcat France (FRA)
1599 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
1561-001 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
01561001 PRIMARY Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA)
209105 Cnh Industrial France (FRA)
T11505-92 Cnh Industrial France (FRA)
Related Parts
3020-00-488-3692INTERCHANGEABLE
GEAR CLUSTER
5330-00-609-9287INTERCHANGEABLE
GASKET
1599
6810-00-681-5545INTERCHANGEABLE
TRIETHANOLAMINE
NX415
4510-00-767-0544INTERCHANGEABLE
PARTS KIT,WATER CLOSET
5340-00-769-2209INTERCHANGEABLE
BUMPER
2520-00-891-3923INTERCHANGEABLE
PRESSURE PLATE ASSEMBLY,CLUTCH
BBC1669
4730-01-098-0132INTERCHANGEABLE
ELBOW,PIPE TO HOSE
05710BC06
5330-01-126-0962INTERCHANGEABLE
GASKET
1599
1005-01-285-4591INTERCHANGEABLE
EXTRACTOR,CARTRIDGE
1599
4730-01-325-4140INTERCHANGEABLE
STRAINER,SEDIMENT
010FY-50404XXX
4730-01-325-4142INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
010F45-504L

Frequently Asked Questions

What is NSN 4730-00-137-0526?

NSN 4730-00-137-0526 is a Bolt,fluid Passage, manufactured by Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-137-0526?

NSN 4730-00-137-0526 has 7 cross-referenced part numbers: 4730PL0788500 (Jednolity Indeks Materialowy - Uniform Material Index), T11505-92 (Bobcat France), 1599 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), 1561-001 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), 01561001 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division) and 2 more.

What NSN replaces 4730-00-137-0526?

There are 11 known substitutes for 4730-00-137-0526: 3020-00-488-3692, 5330-00-609-9287, 6810-00-681-5545 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01561001?

Key specifications for 01561001: Overall Length: 9.500 INCHES NOMINAL IN; First End Thread Quantity Per Inch: 12; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 7.311 INCHES NOMINAL IN; Special Features: 14 HOLES 5/8 IN.DIA,STAGERED 180 @DEG APART,1.750 IN.C TO C IN. 16 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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