Attack Submarine SSN Seawolf Class Parts & Hardware Directory

The Seawolf-class attack submarine (SSN) fleet comprising the USS Seawolf (SSN-21), USS Connecticut (SSN-22), and USS Jimmy Carter (SSN-23) requires specialized naval-grade hardware to maintain operational readiness. Sourcing replacement components for these quiet-running nuclear vessels demands precise cross-referencing of National Stock Numbers NSN Parts, CAGE codes, and military specification part numbers.

What Submarine Systems & Spare Parts Are Indexed?

Our catalog organizes replacement components and structural spares engineered for high-pressure naval environments:

Hull & Pressure Assemblies: High-pressure valves, hull penetrators, and specialized fasteners compatible with HY-100 steel pressure hulls.
Propulsion & Auxiliary Hardware: Component spares for S6W reactor loops, steam turbines, pump-jet propulsion units, and fluid handling systems.
Naval Electronics & Combat Systems: Interconnects, sonar array spares, and power distribution modules servicing onboard tactical networks.

Searching for Specific SSN-21 Part Numbers or NSNs? Skip long procurement delays. Input your required part number, NSN, or specification code into our lookup engine above to check live stock and receive an instant Request for Quote (RFQ) within 15 minutes from Just NSN Parts.

How Do Procurement Officers Source Seawolf-Class NSNs?

Query Exact Identifiers: Search our catalog using manufacturer part numbers (MPNs), 13-digit NSN records, or military specification codes.
Verify CAGE & FSC Data: Cross-reference incoming part requests with active CAGE codes and Federal Supply Classification (FSC) groups.
Submit Fast RFQs: Generate a digital quote request detailing required quantities, defense priorities, and delivery timelines.

Rapid Naval Procurement & Uncompromised Quality

Defense contractors and naval purchasing agents cannot afford downtime or unverified hardware. Just NSN Parts backs every Seawolf-class order with zero-defect quality standards, full material traceability, and expedited shipping options. Submit your exact part numbers today to lock in competitive military-grade pricing and keep your naval systems mission-ready.

The general characteristics of the Seawolf-class SSN are as follows:

Builder	General Dynamics Electric Boat Division.
Date Deployed	USS Seawolf commissioned July 19, 1997
Propulsion	One nuclear reactor, one shaft
Length	SSNs 21 and 22: 353 feet (107.6 meters);SSN 23: 453 feet (138.07 meters)
Beam	40 feet (12.2 meters)
Displacement	SSNs 21 and 22:9,138 tons (9,284 metric tons) submerged; SSN 23 12,158 tons (12,353 metric tons) submerged
Speed	25+ knots (28+ miles per hour, 46.3+ kph)
Crew	140:14 Officers; 126 Enlisted
Armament	Tomahawk missiles, MK48 torpedoes, eight torpedo tubes.