PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2265135-11Adapter,straight,tube to Boss

Naval Sea Systems Command · NSN 4730-00-885-7277 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-885-7277 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-885-7277. Primary manufacturer part number: 2265135-11.
Features
  • Adapter,straight,tube to Boss — FSC 4730
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Nominal Thread Size: 1.062 INCHES SECOND END IN
  • Maximum Operating Temp: 107.2 CELSIUS SINGLE RESPONSE DEGC
  • Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE AND 1 PREFORMED PACKING
  • Criticality Code Justification: FEAT
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-885-7277, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-885-7277
Primary Part Number2265135-11
Item NameAdapter,straight,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Nominal Thread Size1.062 INCHES SECOND END IN
Maximum Operating Temp107.2 CELSIUS SINGLE RESPONSE DEGC
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE AND 1 PREFORMED PACKING
Criticality Code JustificationFEAT
Nominal Thread Size0.750 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Surface TreatmentPASSIVATE OVERALL
Seat Angle37.0 DEGREES FIRST END
Thread Series DesignatorUNF FIRST END
Nominal Overall Length1.760 INCHES IN
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
MaterialSTEEL CORROSION RESISTING OVERALL
Surface Treatment Document and ClassificationQQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUN SECOND END
Surface Treatment Document and ClassificationQQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Quantity Per Inch12 SECOND END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Thread Class2A ALL ENDS A
Connection StyleFLARED (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-494-6568 INTERCHANGEABLE
Adapter,straight,tube to Boss
5120-01-461-6454F10271 INTERCHANGEABLE
Remover,bearing and Bushing
Knds Usa Inc.
Cross-Reference Index
Part NumberManufacturer
2265135-11 Naval Sea Systems Command (USA)
MS51525A8-12S Air-Way Manufacturing Company (USA)
8-12F5BXSS Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
MS51525A8-12S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
94-202702-12-8S Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MS51525A8-12S Lube Devices Inc Flodar Fluid Power Fittings Div (USA)
259-202702-12-8 Danfoss Power Solutions II, Llc (USA)
SK56547-24 Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA)
MS51525A8-12S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8-12F5BXSS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MIL-DTL-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51525A8-12S Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
MS51525A8-12S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MS51525A8-12S L and L Mfg Co (USA)
MS51525B8-12S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8-12 070120C Society of Automotive Engineers Inc (USA)
F-10271-16 Pettibone Llc (USA)
F-10271 Pettibone Llc (USA)
MS51525A8-12S Bowes Mfg Inc (USA)
Related Parts
4730-00-494-6568INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
5120-01-461-6454INTERCHANGEABLE
REMOVER,BEARING AND BUSHING
F10271

Frequently Asked Questions

What is NSN 4730-00-885-7277?

NSN 4730-00-885-7277 is a Adapter,straight,tube to Boss, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-885-7277?

NSN 4730-00-885-7277 has 21 cross-referenced part numbers: 2265135-11 (Naval Sea Systems Command), MS51525A8-12S (Air-Way Manufacturing Company), 8-12F5BXSS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), MS51525A8-12S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 94-202702-12-8S (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution) and 16 more.

What NSN replaces 4730-00-885-7277?

There are 2 known substitutes for 4730-00-885-7277: 4730-00-494-6568, 5120-01-461-6454. Verify interchangeability with system specifications before substitution.

What are the specifications of 2265135-11?

Key specifications for 2265135-11: Connection Type: THREADED EXTERNAL BOSS SECOND END; Nominal Thread Size: 1.062 INCHES SECOND END IN; Maximum Operating Temp: 107.2 CELSIUS SINGLE RESPONSE DEGC; Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE AND 1 PREFORMED PACKING. 24 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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