NorComp 971-015-020-121 D-Sub Backshell Connector: Equivalent & Substitute Parts

Part Overview

The NorComp 971-015-020-121 is a 15-position two-piece backshell connector with 45° cable exit and shielding, designed for D-Sub applications. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and new procurement cycles. The connector features silver plating, nickel over copper finish, and is compatible with both 15-position and HD26-position D-Sub configurations.

Substiute Parts

971-015-020-121
NorComp Inc.In Stock: 1140971-015-020-121 Datasheet
971-015-020-121
Current Part
971-015-020R121
NorComp Inc.In Stock: 1394971-015-020R121 Datasheet
971-015-020R121
Direct

Key Parameters

Parameter Specification
Manufacturer Part Number 971-015-020-121
Manufacturer NorComp Inc.
Category D-Sub, D-Shaped Connectors
Number of Positions 15
Accessory Type Two Piece Backshell
Compatible Shell Size A
Compatible D-Sub Size 15pos and HD26pos
Cable Exit Angle 45°
Shielding Shielded
Cable Type Round
Primary Material Plastic
Plating Nickel over Copper
Color Silver
Hardware Assembly Hardware, Grommets; Mating Screws 4-40
Product Status Obsolete

Substitute Part Grouping Explanation

The NorComp 971-015-020R121 qualifies as a direct substitute based on the following critical parameters:

  • Number of Positions: 15 (identical)
  • Compatible Shell Size: A (identical)
  • Compatible D-Sub Size: 15pos and HD26pos (identical)
  • Cable Exit Angle: 45° (identical)
  • Shielding: Shielded (identical)
  • Cable Type: Round (identical)
  • Plating: Nickel over Copper (identical)
  • Color: Silver (identical)
  • Hardware Configuration: Assembly Hardware, Grommets; Mating Screws 4-40 (identical)
  • Accessory Type: Two Piece Backshell (identical)

The substitute part maintains full electrical and mechanical compatibility with the original specification while offering improved product status and compliance posture.

Parameter Comparison

Parameter 971-015-020-121 (Original) 971-015-020R121 (Substitute)
Manufacturer NorComp Inc. NorComp Inc.
Category D-Sub, D-Shaped Connectors D-Sub, D-Shaped Connectors
Number of Positions 15 15
Accessory Type Two Piece Backshell Two Piece Backshell
Compatible Shell Size A A
Compatible D-Sub Size 15pos and HD26pos 15pos and HD26pos
Cable Exit Angle 45° 45°
Shielding Shielded Shielded
Cable Type Round Round
Primary Material Plastic Plastic
Plating Nickel over Copper Nickel over Copper
Color Silver Silver
Hardware Assembly Hardware, Grommets; Mating Screws 4-40 Assembly Hardware, Grommets; Mating Screws 4-40
Product Status Obsolete Active
RoHS Status RoHS non-compliant ROHS3 Compliant
Packaging Not specified Bulk

Engineering Selection Recommendations

The 971-015-020R121 is the appropriate selection for new designs and procurement activities. This part maintains identical electrical and mechanical specifications to the original 971-015-020-121 while offering the following advantages:

  • Active Product Status: The substitute is currently in active production, ensuring long-term availability and supply chain stability.
  • Regulatory Compliance: The 971-015-020R121 achieves ROHS3 compliance, whereas the original part is non-compliant. This distinction is critical for applications subject to RoHS regulations.
  • Inventory Availability: The substitute part demonstrates higher stock levels (1351 Pcs vs. 1082 Pcs), supporting immediate procurement requirements.

Both parts maintain identical REACH and ECCN classifications (REACH Unaffected, EAR99), ensuring no additional regulatory burden in component selection.

Frequently Asked Questions (FAQ)

Q: Are the 971-015-020-121 and 971-015-020R121 mechanically interchangeable?

A: Yes. Both parts are two-piece backshells with identical shell size (A), position count (15), cable exit angle (45°), and hardware configuration (4-40 mating screws). They are fully interchangeable in mechanical assembly.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and regulatory compliance. The 971-015-020R121 is an active product with ROHS3 compliance, while the 971-015-020-121 is obsolete and RoHS non-compliant. All electrical and mechanical parameters are identical.

Q: Can I use the 971-015-020R121 as a direct replacement in existing designs?

A: Yes. The substitute part maintains full compatibility with the original specification across all critical parameters: position count, shell size, cable exit angle, shielding, plating, and hardware configuration.

Q: What packaging is available for the substitute part?

A: The 971-015-020R121 is supplied in bulk packaging. The original part's packaging specification was not provided.

Q: Are there any compliance considerations when switching to the substitute part?

A: The substitute part is ROHS3 compliant, whereas the original is non-compliant. For applications subject to RoHS regulations, the 971-015-020R121 is the required selection. Both parts are REACH Unaffected and classified as EAR99 for export control purposes.

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