PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53A68A112Insert,regulator

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1040-00-938-3750 · FSC 1040 · No Item Name Available
Verified by PartsTable
NSN 1040-00-938-3750 — this item is cataloged by the U.S. Government under National Stock Number 1040-00-938-3750. Primary manufacturer part number: 53A68A112.
Features
  • Insert,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 Insert,regulator, cataloged under National Stock Number 1040-00-938-3750, 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 NameInsert,regulator
FSC / FSG1040 — No Item Name Available (FSG 10)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); L3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003)
Technical Specifications
ParameterValue
NSN1040-00-938-3750
Primary Part Number53A68A112
Item NameInsert,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 6
4820-00-354-635815-445 INTERCHANGEABLE
Seat,valve
Dresser Industries Inc Leroi Div
3455-00-996-972015445 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3030-01-197-612115445 INTERCHANGEABLE
Belt,v
Dayco Products Llc
5330-01-328-4188 INTERCHANGEABLE
Gasket
3110-01-445-3924 INTERCHANGEABLE
Retainer and Balls,bearing
2815-01-580-309515445 INTERCHANGEABLE
Float Kit
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
53A68A112 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
15445 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
53A68A112 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
4820-00-354-6358INTERCHANGEABLE
SEAT,VALVE
15-445
3455-00-996-9720INTERCHANGEABLE
CUTTER,MILLING,END
15445
3030-01-197-6121INTERCHANGEABLE
BELT,V
15445
5330-01-328-4188INTERCHANGEABLE
GASKET
3110-01-445-3924INTERCHANGEABLE
RETAINER AND BALLS,BEARING
2815-01-580-3095INTERCHANGEABLE
FLOAT KIT
15445

Frequently Asked Questions

What is NSN 1040-00-938-3750?

NSN 1040-00-938-3750 is a Insert,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 1040-00-938-3750?

NSN 1040-00-938-3750 has 3 cross-referenced part numbers: 53A68A112 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 15445 (L3harris Technologies, Inc. Div Space and Airborne Systems), 53A68A112 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 1040-00-938-3750?

There are 6 known substitutes for 1040-00-938-3750: 4820-00-354-6358, 3455-00-996-9720, 3030-01-197-6121 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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