PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11522Adapter,straight,pipe to Tube

Mission Systems Orchard Park Inc · NSN 4730-00-404-4866 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-404-4866 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-404-4866. Primary manufacturer part number: 11522.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
  • Material: STEEL CORROSION RESISTING OVERALL
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Surface Treatment: ANODIZE OUTSIDE
  • Seat Angle: 37.0 DEGREES FIRST END
  • Thread Class: 3A FIRST END A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-404-4866, 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 Mission Systems Orchard Park Inc. Government technical data includes 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-404-4866
Primary Part Number11522
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
MaterialSTEEL CORROSION RESISTING OVERALL
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Surface TreatmentANODIZE OUTSIDE
Seat Angle37.0 DEGREES FIRST END
Thread Class3A FIRST END A
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Nominal Thread Size0.562 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Surface TreatmentANODIZE INSIDE
Thread Series DesignatorANPT SECOND END
Nominal Thread Size0.250 INCHES SECOND END IN
Nominal Overall Length1.969 INCHES IN
Thread Series DesignatorUNF FIRST END
Connection StylePLAIN (PIPE) SECOND END
Material Document and ClassificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-090-44881152-2 INTERCHANGEABLE
Filler Unit,fuel Tank
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
6240-00-155-78746S6/G-115V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5133-00-236-4075 INTERCHANGEABLE
Drill,twist
5815-00-392-7806SM-B-157271G1 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-393-45043132491 PC 321 INTERCHANGEABLE
Screw,adjusting
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5136-00-580-7327 INTERCHANGEABLE
Tap,thread Cutting
4820-00-779-5760 INTERCHANGEABLE
Parts Kit,valve
3020-00-951-06841152-2 INTERCHANGEABLE
Gear,dial
Drs Signal Solutions, Inc.
6210-00-982-1594 INTERCHANGEABLE
Light,indicator
5331-01-129-499711522 INTERCHANGEABLE
O-Ring
Stinar, Llc
Cross-Reference Index
Part NumberManufacturer
11522 PRIMARY Mission Systems Orchard Park Inc (USA)
11522 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
2915-00-090-4488INTERCHANGEABLE
FILLER UNIT,FUEL TANK
1152-2
6240-00-155-7874INTERCHANGEABLE
LAMP,INCANDESCENT
6S6/G-115V
5133-00-236-4075INTERCHANGEABLE
DRILL,TWIST
5815-00-392-7806INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-157271G1
5305-00-393-4504INTERCHANGEABLE
SCREW,ADJUSTING
3132491 PC 321
5136-00-580-7327INTERCHANGEABLE
TAP,THREAD CUTTING
4820-00-779-5760INTERCHANGEABLE
PARTS KIT,VALVE
3020-00-951-0684INTERCHANGEABLE
GEAR,DIAL
1152-2
6210-00-982-1594INTERCHANGEABLE
LIGHT,INDICATOR
5331-01-129-4997INTERCHANGEABLE
O-RING
11522
5330-01-225-0920INTERCHANGEABLE
GASKET
11522
4140-01-386-9821INTERCHANGEABLE
FAN,CENTRIFUGAL
1152-2

Frequently Asked Questions

What is NSN 4730-00-404-4866?

NSN 4730-00-404-4866 is a Adapter,straight,pipe to Tube, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-404-4866?

NSN 4730-00-404-4866 has 2 cross-referenced part numbers: 11522 (Mission Systems Orchard Park Inc), 11522 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 4730-00-404-4866?

There are 12 known substitutes for 4730-00-404-4866: 2915-00-090-4488, 6240-00-155-7874, 5133-00-236-4075 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11522?

Key specifications for 11522: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Material: STEEL CORROSION RESISTING OVERALL; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Type: THREADED INTERNAL PIPE SECOND END. 19 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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