PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37494 ITEM 1Elbow,tube to Boss

Allied Systems Company Dba Allied Systems Co · NSN 4730-01-387-4964 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-387-4964 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-387-4964. Primary manufacturer part number: 37494 ITEM 1.
Features
  • Elbow,tube to Boss — FSC 4730
  • Seat Angle: 37.0 DEGREES FIRST END
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Connection Style: FLARED (TUBE) FIRST END
  • Thread Class: 2A ALL ENDS A
  • Flow Angle: 45.0 DEGREES
  • Thread Series Designator: UNF ALL ENDS
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-387-4964, 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 Allied Systems Company Dba Allied Systems Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-387-4964
Primary Part Number37494 ITEM 1
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Seat Angle37.0 DEGREES FIRST END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Connection StyleFLARED (TUBE) FIRST END
Thread Class2A ALL ENDS A
Flow Angle45.0 DEGREES
Thread Series DesignatorUNF ALL ENDS
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Nominal Thread Size0.437 INCHES ALL ENDS IN
Nominal Thread Size0.437 INCHES INLET IN
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Thread Class2B INLET
Connection TypeTHREADED EXTERNAL TUBE FIRST END
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-155-6508 INTERCHANGEABLE
Bearing,roller,cylindrical
5330-00-171-92335150329 INTERCHANGEABLE
Gasket
Rolls-Royce Solutions America Inc
5930-00-565-5158815-1197118PC6-15P150DEGF INTERCHANGEABLE
Therm Static Switch
Naval Ship Systems Command
3540-01-043-5020 INTERCHANGEABLE
Stretcher,strapping,hand
5330-01-298-262547007 INTERCHANGEABLE
Packing with Retainer
Williams International Co., L.l.c.
9540-01-300-285637494 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
5998-01-311-512737494-4 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
3950-01-387-720236884 INTERCHANGEABLE
Capstan
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
37494 Allied Systems Company Dba Allied Systems Co (USA)
37533 Allied Systems Company Dba Allied Systems Co (USA)
37494 ITEM 1 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
3110-00-155-6508INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
5330-00-171-9233INTERCHANGEABLE
GASKET
5150329
5930-00-565-5158INTERCHANGEABLE
THERM STATIC SWITCH
815-1197118PC6-15P150DEGF
3540-01-043-5020INTERCHANGEABLE
STRETCHER,STRAPPING,HAND
5330-01-298-2625INTERCHANGEABLE
PACKING WITH RETAINER
47007
9540-01-300-2856INTERCHANGEABLE
ANGLE,STRUCTURAL
37494
5998-01-311-5127INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
37494-4
3950-01-387-7202INTERCHANGEABLE
CAPSTAN
36884

Frequently Asked Questions

What is NSN 4730-01-387-4964?

NSN 4730-01-387-4964 is a Elbow,tube to Boss, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-387-4964?

NSN 4730-01-387-4964 has 3 cross-referenced part numbers: 37494 (Allied Systems Company Dba Allied Systems Co), 37533 (Allied Systems Company Dba Allied Systems Co), 37494 ITEM 1 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 4730-01-387-4964?

There are 8 known substitutes for 4730-01-387-4964: 3110-00-155-6508, 5330-00-171-9233, 5930-00-565-5158 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37494 ITEM 1?

Key specifications for 37494 ITEM 1: Seat Angle: 37.0 DEGREES FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END; Connection Style: FLARED (TUBE) FIRST END; Thread Class: 2A ALL ENDS A. 13 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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