PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6505-2-275Coupling,tube

Danfoss Power Solutions II, Llc · NSN 4730-00-820-3079 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-820-3079 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-820-3079. Primary manufacturer part number: 6505-2-275.
Features
  • Coupling,tube — FSC 4730
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Maximum Operating Temp: 600.0 FAHRENHEIT SECOND RESPONSE DEGF
  • Connection Style: CLAMPING W/ GASKET SEAL (TUBE) ALL ENDS
  • Material: STEEL OVERALL
  • Material Document and Classification: MIL-S-46055 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Maximum Operating Temp: -30.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Style Designator: COMPRESSION CLAMP TYPE (FLEXMASTER)
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-00-820-3079, 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 Danfoss Power Solutions II, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-820-3079
Primary Part Number6505-2-275
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Maximum Operating Temp600.0 FAHRENHEIT SECOND RESPONSE DEGF
Connection StyleCLAMPING W/ GASKET SEAL (TUBE) ALL ENDS
MaterialSTEEL OVERALL
Material Document and ClassificationMIL-S-46055 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Maximum Operating Temp-30.0 FAHRENHEIT FIRST RESPONSE DEGF
Style DesignatorCOMPRESSION CLAMP TYPE (FLEXMASTER)
Operating Pressure25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated2.000 INCHES ALL ENDS IN
Furnished Items and Quantity2 BOLT AND 2 LOCKNUT AND 2 FLAT WASHER
Media for Which DesignedAIR SINGLE RESPONSE
Nominal Overall Length2.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-038-06276505 INTERCHANGEABLE
Deflector,dirt and Liquid
Ohler Mfg Co Inc
3455-00-232-409819952 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4920-00-331-7398 INTERCHANGEABLE
Fixture,aircraft Maintenance
2815-00-682-7637310651 INTERCHANGEABLE
Valve,poppet,engine
New Holland N.v.nc.
5930-01-024-49216505 INTERCHANGEABLE
Switch,thermostatic
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6640-01-063-8888650-5 INTERCHANGEABLE
Spatula,laboratory
Coorstek Inc Div Headquarters
2530-01-214-3235 INTERCHANGEABLE
Adjuster,slack,brake
4920-01-273-08086505 INTERCHANGEABLE
Test Stand,hydraulic System Comp
Mirada Research & Manufacturing, Inc.
5330-01-288-77196505 INTERCHANGEABLE
Gasket
Auto Vehicle Parts Co Dba Au-Ve-Co
5985-01-593-7533650-5 INTERCHANGEABLE
Waveguide Assembly
Waveline Inc
Cross-Reference Index
Part NumberManufacturer
6505-2-275 Tyler Pipe Industries Inc (USA)
NH1650G200S275 Danfoss Power Solutions II, Llc (USA)
10917150 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
6505-2-275 PRIMARY Danfoss Power Solutions II, Llc (USA)
10917150 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
6505 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
4320-00-038-0627INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
6505
3455-00-232-4098INTERCHANGEABLE
REAMER,MACHINE
19952
4920-00-331-7398INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
2815-00-682-7637INTERCHANGEABLE
VALVE,POPPET,ENGINE
310651
5930-01-024-4921INTERCHANGEABLE
SWITCH,THERMOSTATIC
6505
6640-01-063-8888INTERCHANGEABLE
SPATULA,LABORATORY
650-5
2530-01-214-3235INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
4920-01-273-0808INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
6505
5330-01-288-7719INTERCHANGEABLE
GASKET
6505
5985-01-593-7533INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
650-5
5895-01-641-2898INTERCHANGEABLE
SWITCHING SET,COMMUNICATIONS
6505
6660-01-643-5726INTERCHANGEABLE
SENSOR,LIGHTNING DETECTION
6505

Frequently Asked Questions

What is NSN 4730-00-820-3079?

NSN 4730-00-820-3079 is a Coupling,tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-820-3079?

NSN 4730-00-820-3079 has 6 cross-referenced part numbers: 6505-2-275 (Tyler Pipe Industries Inc), NH1650G200S275 (Danfoss Power Solutions II, Llc), 10917150 (U S Army Tank Automotive Command Amsta-Im-Mm), 6505-2-275 (Danfoss Power Solutions II, Llc), 10917150 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution) and 1 more.

What NSN replaces 4730-00-820-3079?

There are 12 known substitutes for 4730-00-820-3079: 4320-00-038-0627, 3455-00-232-4098, 4920-00-331-7398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6505-2-275?

Key specifications for 6505-2-275: Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Maximum Operating Temp: 600.0 FAHRENHEIT SECOND RESPONSE DEGF; Connection Style: CLAMPING W/ GASKET SEAL (TUBE) ALL ENDS; Material: STEEL OVERALL. 12 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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