PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70400-01250-056Connecting Link,rigid

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · NSN 3040-01-630-9015 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-630-9015 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-630-9015. Primary manufacturer part number: 70400-01250-056.
Features
  • Connecting Link,rigid — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-01-630-9015, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameConnecting Link,rigid
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Tyee Aircraft Inc Div Tyee Aircraft (CAGE 34742)
Technical Specifications
ParameterValue
NSN3040-01-630-9015
Primary Part Number70400-01250-056
Item NameConnecting Link,rigid
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4720-00-080-911520731 INTERCHANGEABLE
Hose,preformed
Gates Corporation
1650-00-348-178720731 INTERCHANGEABLE
Fitting,selector VA
Meggitt North Hollywood Inc
6730-00-392-9839 INTERCHANGEABLE
Shaft
2590-00-936-714620-731 INTERCHANGEABLE
Signal Adapter,fire
Kidde Technologies, Inc Div Kidde Aerospace and Defense
8145-01-050-8665 INTERCHANGEABLE
Container,shipping-Storage,proje
6520-01-313-781720731 INTERCHANGEABLE
Tip,syringe,dental Impression Ma
Kerr Corporation
5950-01-334-9753 INTERCHANGEABLE
Transformer,power
6525-01-732-884920731 INTERCHANGEABLE
Guard,front,x-Ray
Minxray Inc
Cross-Reference Index
Part NumberManufacturer
70400-01250-056 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
2073-1 Tyee Aircraft Inc Div Tyee Aircraft (USA)
Related Parts
4720-00-080-9115INTERCHANGEABLE
HOSE,PREFORMED
20731
1650-00-348-1787INTERCHANGEABLE
FITTING,SELECTOR VA
20731
6730-00-392-9839INTERCHANGEABLE
SHAFT
2590-00-936-7146INTERCHANGEABLE
SIGNAL ADAPTER,FIRE
20-731
8145-01-050-8665INTERCHANGEABLE
CONTAINER,SHIPPING-STORAGE,PROJE
6520-01-313-7817INTERCHANGEABLE
TIP,SYRINGE,DENTAL IMPRESSION MA
20731
5950-01-334-9753INTERCHANGEABLE
TRANSFORMER,POWER
6525-01-732-8849INTERCHANGEABLE
GUARD,FRONT,X-RAY
20731

Frequently Asked Questions

What is NSN 3040-01-630-9015?

NSN 3040-01-630-9015 is a Connecting Link,rigid, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-630-9015?

NSN 3040-01-630-9015 has 2 cross-referenced part numbers: 70400-01250-056 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 2073-1 (Tyee Aircraft Inc Div Tyee Aircraft).

What NSN replaces 3040-01-630-9015?

There are 8 known substitutes for 3040-01-630-9015: 4720-00-080-9115, 1650-00-348-1787, 6730-00-392-9839 and 5 more. Verify interchangeability with system specifications before substitution.

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