PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54A50A59Ring,regulator

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1040-00-938-3752 · FSC 1040 · No Item Name Available
Verified by PartsTable
NSN 1040-00-938-3752 — this item is cataloged by the U.S. Government under National Stock Number 1040-00-938-3752. Primary manufacturer part number: 54A50A59.
Features
  • Ring,regulator — 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,regulator, cataloged under National Stock Number 1040-00-938-3752, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,regulator
FSC / FSG1040 — No Item Name Available (FSG 10)
ManufacturersNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); L3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
ParameterValue
NSN1040-00-938-3752
Primary Part Number54A50A59
Item NameRing,regulator
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 10
5935-00-108-72611-480305-0 INTERCHANGEABLE
Connector Body,plug,electrical
Te Connectivity Corporation
4210-00-136-116820-671 INTERCHANGEABLE
Nozzle Assembly
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5133-00-189-9286 INTERCHANGEABLE
Drill,twist
5935-00-283-3421 INTERCHANGEABLE
Connector,receptacle,electrical
5110-00-293-0105 INTERCHANGEABLE
Punch and Die,knockout
5315-00-372-0871 INTERCHANGEABLE
Pin,straight,headed
2910-01-069-703820671 INTERCHANGEABLE
Nozzle,fuel Injection
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5975-01-368-3059759-192-71 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Glenair, Inc.
6240-01-419-5267 INTERCHANGEABLE
Lamp,fluorescent
5310-01-707-626320-671 INTERCHANGEABLE
Washer,flat
Rix Industries
Cross-Reference Index
Part NumberManufacturer
54A50A59 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
20671 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
54A50A59 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5935-00-108-7261INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
1-480305-0
4210-00-136-1168INTERCHANGEABLE
NOZZLE ASSEMBLY
20-671
5133-00-189-9286INTERCHANGEABLE
DRILL,TWIST
5935-00-283-3421INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5110-00-293-0105INTERCHANGEABLE
PUNCH AND DIE,KNOCKOUT
5315-00-372-0871INTERCHANGEABLE
PIN,STRAIGHT,HEADED
2910-01-069-7038INTERCHANGEABLE
NOZZLE,FUEL INJECTION
20671
5975-01-368-3059INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
759-192-71
6240-01-419-5267INTERCHANGEABLE
LAMP,FLUORESCENT
5310-01-707-6263INTERCHANGEABLE
WASHER,FLAT
20-671

Frequently Asked Questions

What is NSN 1040-00-938-3752?

NSN 1040-00-938-3752 is a Ring,regulator, 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 1040-00-938-3752?

NSN 1040-00-938-3752 has 3 cross-referenced part numbers: 54A50A59 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 20671 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50A59 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 1040-00-938-3752?

There are 10 known substitutes for 1040-00-938-3752: 5935-00-108-7261, 4210-00-136-1168, 5133-00-189-9286 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com