PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77791-32X2 PIECE 4Manifold,hydraulic System Access

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4730-01-136-2481 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-136-2481 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-136-2481. Primary manufacturer part number: 77791-32X2 PIECE 4.
Features
  • Manifold,hydraulic System Access — FSC 4730
  • 5 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Manifold,hydraulic System Access, cataloged under National Stock Number 4730-01-136-2481, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-136-2481
Primary Part Number77791-32X2 PIECE 4
Item NameManifold,hydraulic System Access
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5136-00-199-670654865 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5962-01-103-312914894 INTERCHANGEABLE
Microcircuit,digital
Astronautics Corporation of America
5340-01-231-3916DP-3 INTERCHANGEABLE
Cover,access
Stauff Corp
2805-01-291-335814894 INTERCHANGEABLE
Mount
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
SSN637-516-2159063 Naval Ship Systems Command (USA)
SSN637-516-2159063 PIECE 4 Naval Ship Systems Command (USA)
77791-32X2 PIECE 4 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
77791-32X2 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
1489-4 Derbyshire Machine & Tool Co (USA)
Related Parts
5136-00-199-6706INTERCHANGEABLE
TAP,THREAD CUTTING
54865
5962-01-103-3129INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
14894
5340-01-231-3916INTERCHANGEABLE
COVER,ACCESS
DP-3
2805-01-291-3358INTERCHANGEABLE
MOUNT
14894

Frequently Asked Questions

What is NSN 4730-01-136-2481?

NSN 4730-01-136-2481 is a Manifold,hydraulic System Access, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-136-2481?

NSN 4730-01-136-2481 has 5 cross-referenced part numbers: SSN637-516-2159063 (Naval Ship Systems Command), SSN637-516-2159063 PIECE 4 (Naval Ship Systems Command), 77791-32X2 PIECE 4 (Electric Boat Corporation Div General Dynamics Electric Boat), 77791-32X2 (Electric Boat Corporation Div General Dynamics Electric Boat), 1489-4 (Derbyshire Machine & Tool Co).

What NSN replaces 4730-01-136-2481?

There are 4 known substitutes for 4730-01-136-2481: 5136-00-199-6706, 5962-01-103-3129, 5340-01-231-3916 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77791-32X2 PIECE 4?

Key specifications for 77791-32X2 PIECE 4: Special Features: CORROSION RESISTING VALVE. 1 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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