PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-665APC661Block

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-146-8053 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-146-8053 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-146-8053. Primary manufacturer part number: D15-665APC661.
Features
  • Block — FSC 2825
  • 50 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block, cataloged under National Stock Number 2825-00-146-8053, is classified within Federal Supply Class 2825 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. This item has 50 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBlock
FSC / FSG2825 — No Item Name Available (FSG 28)
ManufacturersNorthrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp (CAGE 79500); Westinghouse Electric Corp Sturtevant Div (CAGE 80231)
Technical Specifications
ParameterValue
NSN2825-00-146-8053
Primary Part NumberD15-665APC661
Item NameBlock
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-079-6010100019 INTERCHANGEABLE
Hose Assembly,metallic
Hyspan Precision Products, Inc.
5210-00-097-7293SMB586521 INTERCHANGEABLE
Level,tubular Moun
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5977-00-238-9998 INTERCHANGEABLE
Holder,electrical Contact Brush
6685-00-330-92801470 INTERCHANGEABLE
Manometer,vertical Tube
Princo Instruments, Inc
3040-00-335-930112979 INTERCHANGEABLE
Bell Crank
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5950-00-645-4464SC-C-84598 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2510-01-011-452011686150 INTERCHANGEABLE
Air Spring,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
3510-01-102-963141008 INTERCHANGEABLE
Shoe,iron
Bishop Freeman Co
5961-01-156-8833352-7902-010 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5310-01-323-379241-016 INTERCHANGEABLE
Nut,plain,hexagon
Wire-Pro, Inc Dba Wpi-Salem Division
Cross-Reference Index
Part NumberManufacturer
D15-665APC661 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-746LPC661 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-665JPC661 Westinghouse Electric Corp (USA)
D15-765BPC661 Westinghouse Electric Corp (USA)
D15-633KPC661 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-673UPC419 Westinghouse Electric Corp (USA)
D15-771KPC661 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-665HPC661 Westinghouse Electric Corp Sturtevant Div (USA)
D15-633NPC661 Westinghouse Electric Corp (USA)
D15-746MPC661 Westinghouse Electric Corp (USA)
D15-633NPC661 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-794CPC619 Westinghouse Electric Corp (USA)
D15-619TPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-783LPC661 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-700JPC661 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-772IPC419 Westinghouse Electric Corp (USA)
D15-530IPC419 Westinghouse Electric Corp (USA)
D15-523MPC419 Westinghouse Electric Corp (USA)
D15-633APC661 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-785HPC661 Westinghouse Electric Corp (USA)
Related Parts
4720-00-079-6010INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
100019
5210-00-097-7293INTERCHANGEABLE
LEVEL,TUBULAR MOUN
SMB586521
5977-00-238-9998INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
6685-00-330-9280INTERCHANGEABLE
MANOMETER,VERTICAL TUBE
1470
3040-00-335-9301INTERCHANGEABLE
BELL CRANK
12979
5950-00-645-4464INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SC-C-84598
2510-01-011-4520INTERCHANGEABLE
AIR SPRING,VEHICULAR
11686150
3510-01-102-9631INTERCHANGEABLE
SHOE,IRON
41008
5961-01-156-8833INTERCHANGEABLE
TRANSISTOR
352-7902-010
5310-01-323-3792INTERCHANGEABLE
NUT,PLAIN,HEXAGON
41-016
4110-01-523-9300INTERCHANGEABLE
SHELF,WIRE,REFRIGERATOR
8465-01-589-0414INTERCHANGEABLE
HYDRATION SYSTEM
41008

Frequently Asked Questions

What is NSN 2825-00-146-8053?

NSN 2825-00-146-8053 is a Block, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 2825 (No Item Name Available). Status: active.

What are the part numbers for NSN 2825-00-146-8053?

NSN 2825-00-146-8053 has 50 cross-referenced part numbers: D15-665APC661 (Northrop Grumman Systems Corporation Div Marine Systems), D15-746LPC661 (Northrop Grumman Systems Corporation Div Marine Systems), D15-665JPC661 (Westinghouse Electric Corp), D15-765BPC661 (Westinghouse Electric Corp), D15-633KPC661 (Northrop Grumman Systems Corporation Div Marine Systems) and 45 more.

What NSN replaces 2825-00-146-8053?

There are 12 known substitutes for 2825-00-146-8053: 4720-00-079-6010, 5210-00-097-7293, 5977-00-238-9998 and 9 more. Verify interchangeability with system specifications before substitution.

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