PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

225637Bolt,fluid Passage

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 4730-00-202-6912 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-6912 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-6912. Primary manufacturer part number: 225637.
Features
  • Bolt,fluid Passage — FSC 4730
  • Material Document and Classification: 81343-AMS 7452 ASSN STD SINGLE MATERIAL RESPONSE
  • Concentric Hole Depth: 0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
  • Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
  • First Radial Fluid Hole Diameter: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
  • Width Across Flats: 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
  • Wrenching Feature Height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
  • Material: STEEL
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 4730-00-202-6912, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-202-6912
Primary Part Number225637
Item NameBolt,fluid Passage
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Material Document and Classification81343-AMS 7452 ASSN STD SINGLE MATERIAL RESPONSE
Concentric Hole Depth0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
Length From Bearing Surface of Wrenching Feature to End of First Diameter0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
First Radial Fluid Hole Diameter0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Width Across Flats0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Wrenching Feature Height0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
MaterialSTEEL
First End Thread DirectionRIGHT-HAND
Length From Bearing Surface of Wrenching Feature to End of First Diameter0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
First End Thread Class3A A
First End Thread Series DesignatorUNF
Concentric Hole Diameter0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Distance From First Radial Hole Center to End of Bolt0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN
MaterialSTEEL
Body StylePLAIN
First End Thread Series DesignatorUNF
First End Thread DirectionRIGHT-HAND
Specification/standard Data00198-225637 MANUFACTURERS SOURCE CONTROL
First Diameter From Wrenching Feature0.312 INCHES NOMINAL IN
Wrenching Feature StyleHEXAGON
Wrenching Feature Height0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
Width Across Flats0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Specification/standard Data00198-225637 MANUFACTURERS SOURCE CONTROL
First End Thread Length0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
First Radial Fluid Hole Diameter0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
First End Style DesignatorPLAIN
First End Style DesignatorPLAIN
First End Thread Length0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6550-01-494-36771057-66 INTERCHANGEABLE
Chloride Test Reagent
Hach Company Dba Hach Co
Cross-Reference Index
Part NumberManufacturer
225637 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
225637 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6550-01-494-3677INTERCHANGEABLE
CHLORIDE TEST REAGENT
1057-66

Frequently Asked Questions

What is NSN 4730-00-202-6912?

NSN 4730-00-202-6912 is a Bolt,fluid Passage, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-202-6912?

NSN 4730-00-202-6912 has 2 cross-referenced part numbers: 225637 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 225637 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4730-00-202-6912?

There is 1 known substitute for 4730-00-202-6912: 6550-01-494-3677. Verify interchangeability with system specifications before substitution.

What are the specifications of 225637?

Key specifications for 225637: Special Features: WITH SIX 0.065 TO 0.075 IN.DIA HOLES IN HEX HEAD IN; Material Document and Classification: 81343-AMS 7452 ASSN STD SINGLE MATERIAL RESPONSE; Concentric Hole Depth: 0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN; Overall Length: 0.901 INCHES NOMINAL IN. 30 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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