PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

810-1385861TY P 2 1/2INFlange,pipe

Naval Sea Systems Command · NSN 4730-01-515-0176 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-515-0176 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-515-0176. Primary manufacturer part number: 810-1385861TY P 2 1/2IN.
Features
  • Flange,pipe — FSC 4730
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
  • Thickness: 1.000 INCHES NOMINAL IN
  • Neck Height: 2.000 INCHES NOMINAL IN
  • Flange Diameter: 6.125 INCHES NOMINAL IN
  • Flange Section Style: PLAIN FACE, WELDING NECK
  • Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT WATER, SALT DEGF
  • Tube Outside Diameter for Which Designed: 2.607 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper and Nickel Alloy or Nickel Alloy and Copper Alloy construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-515-0176, 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 Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-515-0176
Primary Part Number810-1385861TY P 2 1/2IN
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
Thickness1.000 INCHES NOMINAL IN
Neck Height2.000 INCHES NOMINAL IN
Flange Diameter6.125 INCHES NOMINAL IN
Flange Section StylePLAIN FACE, WELDING NECK
Maximum Operating Temp and Media for Which Designed150.0 FAHRENHEIT WATER, SALT DEGF
Tube Outside Diameter for Which Designed2.607 INCHES NOMINAL IN
Bolt Hole Quantity8
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter0.6875 INCHES NOMINAL IN
Nominal Pipe Size for Which Designed2.500 INCHES IN
MaterialCOPPER AND NICKEL ALLOY OR NICKEL ALLOY AND COPPER ALLOY
Bolt Circle Diameter5.000 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-01-123-1655810-1385861TYPEGSIZE6IN INTERCHANGEABLE
Flange,pipe
Naval Sea Systems Command
5331-01-732-8664726-8833625-F113 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-01-732-8677726-8836526-F109 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
5331-01-732-9331726-8839296-F116 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
810-1385861TY P 2 1/2IN PRIMARY Naval Sea Systems Command (USA)
1385861 Naval Sea Systems Command (USA)
Related Parts
4730-01-123-1655INTERCHANGEABLE
FLANGE,PIPE
810-1385861TYPEGSIZE6IN
5331-01-732-8664INTERCHANGEABLE
O-RING
726-8833625-F113
5331-01-732-8677INTERCHANGEABLE
O-RING
726-8836526-F109
5331-01-732-9331INTERCHANGEABLE
O-RING
726-8839296-F116

Frequently Asked Questions

What is NSN 4730-01-515-0176?

NSN 4730-01-515-0176 is a Flange,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-515-0176?

NSN 4730-01-515-0176 has 2 cross-referenced part numbers: 810-1385861TY P 2 1/2IN (Naval Sea Systems Command), 1385861 (Naval Sea Systems Command).

What NSN replaces 4730-01-515-0176?

There are 4 known substitutes for 4730-01-515-0176: 4730-01-123-1655, 5331-01-732-8664, 5331-01-732-8677 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 810-1385861TY P 2 1/2IN?

Key specifications for 810-1385861TY P 2 1/2IN: Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE; Thickness: 1.000 INCHES NOMINAL IN; Neck Height: 2.000 INCHES NOMINAL IN; Flange Diameter: 6.125 INCHES NOMINAL 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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