PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54A50A57Ring,shock Cord

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1040-00-938-8971 · FSC 1040 · No Item Name Available
Verified by PartsTable
NSN 1040-00-938-8971 — this item is cataloged by the U.S. Government under National Stock Number 1040-00-938-8971. Primary manufacturer part number: 54A50A57.
Features
  • Ring,shock Cord — FSC 1040
  • 3 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,shock Cord, cataloged under National Stock Number 1040-00-938-8971, is classified within Federal Supply Class 1040 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,shock Cord
FSC / FSG1040 — No Item Name Available (FSG 10)
ManufacturersL3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003)
Technical Specifications
ParameterValue
NSN1040-00-938-8971
Primary Part Number54A50A57
Item NameRing,shock Cord
FSC / FSG1040 / 10 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3030-00-007-2325140B INTERCHANGEABLE
Belting,flat
Contitech Usa, Inc Dba Veyance Technologies
3455-00-232-4115 INTERCHANGEABLE
Reamer,machine
5905-00-635-743820654 INTERCHANGEABLE
Resistor,voltage Sensitive
Naval Ship Systems Command
5961-01-291-0821717801320-001 INTERCHANGEABLE
Semiconductor Devices,unitized
Lockheed Martin Corporation
5930-01-366-018620654 INTERCHANGEABLE
Bar,actuator,electrical Switch
Aerocontrolex Group, Inc. Div Talley Actuators
5975-01-368-3054759-192-54 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
20654 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
54A50A57 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
54A50A57 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
3030-00-007-2325INTERCHANGEABLE
BELTING,FLAT
140B
3455-00-232-4115INTERCHANGEABLE
REAMER,MACHINE
5905-00-635-7438INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
20654
5961-01-291-0821INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
717801320-001
5930-01-366-0186INTERCHANGEABLE
BAR,ACTUATOR,ELECTRICAL SWITCH
20654
5975-01-368-3054INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
759-192-54

Frequently Asked Questions

What is NSN 1040-00-938-8971?

NSN 1040-00-938-8971 is a Ring,shock Cord, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1040 (No Item Name Available). Status: active.

What are the part numbers for NSN 1040-00-938-8971?

NSN 1040-00-938-8971 has 3 cross-referenced part numbers: 20654 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50A57 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 54A50A57 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 1040-00-938-8971?

There are 6 known substitutes for 1040-00-938-8971: 3030-00-007-2325, 3455-00-232-4115, 5905-00-635-7438 and 3 more. Verify interchangeability with system specifications before substitution.

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