PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124-7121004 PC 14 X 21Dog Assembly,hatch

Naval Sea Systems Command · NSN 2040-01-492-2192 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-01-492-2192 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-492-2192. Primary manufacturer part number: 124-7121004 PC 14 X 21.
Features
  • Dog Assembly,hatch — FSC 2040
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Dog Assembly,hatch, cataloged under National Stock Number 2040-01-492-2192, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-01-492-2192
Primary Part Number124-7121004 PC 14 X 21
Item NameDog Assembly,hatch
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-01-468-7194124-4322648 PC 22 INTERCHANGEABLE
Spindle,mechanically Actuated
Naval Sea Systems Command
3020-01-468-7210124-4322648 PC 20 INTERCHANGEABLE
Gear,spur
Naval Sea Systems Command
5315-01-468-8777124-4322648 PC 76 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
5315-01-468-8782124-4322649 PC 92 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
5360-01-468-9912124-4322648 PC 73 INTERCHANGEABLE
Spring,helical,compression
Naval Sea Systems Command
5315-01-468-9943124-4322648 PC 77 INTERCHANGEABLE
Pin,spring
Naval Sea Systems Command
5315-01-469-0359124-4322648 PC 74 INTERCHANGEABLE
Pin,straight,headless
Huntington Ingalls Inc Div Newport News Shipbuilding
3040-01-470-5794124-4322648 PC 24 INTERCHANGEABLE
Shaft,straight
Naval Sea Systems Command
3040-01-472-8400124-4322644 PC 45 INTERCHANGEABLE
Spindle,mechanically Actuated
Naval Sea Systems Command
3040-01-480-7951124-4367407 PC47 INTERCHANGEABLE
Spindle,mechanically Actuated
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
124-7121004 PC 14 X 21 PRIMARY Naval Sea Systems Command (USA)
124-7121004 Naval Sea Systems Command (USA)
124-4322648 Naval Sea Systems Command (USA)
Related Parts
3040-01-468-7194INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
124-4322648 PC 22
3020-01-468-7210INTERCHANGEABLE
GEAR,SPUR
124-4322648 PC 20
5315-01-468-8777INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322648 PC 76
5315-01-468-8782INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322649 PC 92
5360-01-468-9912INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
124-4322648 PC 73
5315-01-468-9943INTERCHANGEABLE
PIN,SPRING
124-4322648 PC 77
5315-01-469-0359INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
124-4322648 PC 74
3040-01-470-5794INTERCHANGEABLE
SHAFT,STRAIGHT
124-4322648 PC 24
3040-01-472-8400INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
124-4322644 PC 45
3040-01-480-7951INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
124-4367407 PC47
3040-01-487-8480INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
124-4322648 PC 32
3040-01-491-6541INTERCHANGEABLE
CONNECTING LINK,RIGID
124-7121004 PC 27

Frequently Asked Questions

What is NSN 2040-01-492-2192?

NSN 2040-01-492-2192 is a Dog Assembly,hatch, manufactured by Naval Sea Systems Command, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-01-492-2192?

NSN 2040-01-492-2192 has 3 cross-referenced part numbers: 124-7121004 PC 14 X 21 (Naval Sea Systems Command), 124-7121004 (Naval Sea Systems Command), 124-4322648 (Naval Sea Systems Command).

What NSN replaces 2040-01-492-2192?

There are 12 known substitutes for 2040-01-492-2192: 3040-01-468-7194, 3020-01-468-7210, 5315-01-468-8777 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 124-7121004 PC 14 X 21?

Key specifications for 124-7121004 PC 14 X 21: End Item Identification: 36X30X51 BALLISTIC HATCH; W/S: AIRCRAFT CARRIER CVN 76; Special Features: 124-7121004 PART NUMBER 14 IS WELDED TO PART NUMBER 21 MAKING UP PART NUMBER 124-7121004 PC 14 X 21. PART 14 LENGTH IS 6.500 IN, WIDTH IS 3.500 IN, HEIGTH IS 1.750 IN AND HAS A 2.125 DIA HOLE. PART 21 WIDTH IS 2.000 IN, HEIGTH IS .500 IN AND HAS A 1.000 IN DIA HOLE. PART 14 DOG IS HEAT TREATED TO 65000 PSI MIN YIELD STRENGTH AND 95000 PSI MIN TENSIL STRENGTH. IN; Material: STEEL CORROSION RESISTING; Overall Height: 1.937 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

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