PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103-31620Coupling,pipe

Danfoss Power Solutions II, Llc · NSN 4730-01-033-8702 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-033-8702 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-033-8702. Primary manufacturer part number: 103-31620.
Features
  • Coupling,pipe — FSC 4730
  • Thread Series Designator: NPTF ALL ENDS
  • Material: STEEL OVERALL
  • Style Designator: THREADED INTERNAL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Nominal Overall Length: 1.970 INCHES IN
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Nominal Thread Size: 1.250 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-033-8702, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-033-8702
Primary Part Number103-31620
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusCANCELLED
Thread Series DesignatorNPTF ALL ENDS
MaterialSTEEL OVERALL
Style DesignatorTHREADED INTERNAL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Nominal Overall Length1.970 INCHES IN
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Thread Size1.250 INCHES ALL ENDS IN
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data39 FIGURE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2940-01-186-0592B378 INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
Cross-Reference Index
Part NumberManufacturer
C3309X20 Dana Corp Weatherhead Div (USA)
J514 Sae International Dba Sae International (USA)
J514 20-20 140138C Society of Automotive Engineers Inc (USA)
11671453 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
SAE-J514 Sae International Dba Sae International (USA)
J514 20-20 140138C Sae International Dba Sae International (USA)
SAE-J514-3 Sae International Dba Sae International (USA)
PF11-20 Dowsett Spring Co (USA)
103-31620 PRIMARY Danfoss Power Solutions II, Llc (USA)
103-31620 Dana Corp Weatherhead Div (USA)
103-30920 Dana Corp Weatherhead Div (USA)
J514 Society of Automotive Engineers Inc (USA)
SAE J514 20-20 140138C Sae International Dba Sae International (USA)
SAE J514-3 20-20 140138C PRIMARY Sae International Dba Sae International (USA)
Related Parts
2940-01-186-0592INTERCHANGEABLE
FILTER ELEMENT,FLUID
B378

Frequently Asked Questions

What is NSN 4730-01-033-8702?

NSN 4730-01-033-8702 is a Coupling,pipe, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-033-8702?

NSN 4730-01-033-8702 has 14 cross-referenced part numbers: C3309X20 (Dana Corp Weatherhead Div), J514 (Sae International Dba Sae International), J514 20-20 140138C (Society of Automotive Engineers Inc), 11671453 (U S Army Tank Automotive Command Amsta-Im-Mm), SAE-J514 (Sae International Dba Sae International) and 9 more.

What NSN replaces 4730-01-033-8702?

There is 1 known substitute for 4730-01-033-8702: 2940-01-186-0592. Verify interchangeability with system specifications before substitution.

What are the specifications of 103-31620?

Key specifications for 103-31620: Thread Series Designator: NPTF ALL ENDS; Material: STEEL OVERALL; Style Designator: THREADED INTERNAL; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-033-8702 still in active supply?

NSN 4730-01-033-8702 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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