PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DD445S4601-241ALT6PC57Setscrew

Naval Ship Systems Command · NSN 5305-00-206-4674 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-206-4674 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-206-4674. Primary manufacturer part number: DD445S4601-241ALT6PC57.
Features
  • Setscrew — FSC 5305
  • Thread Class: 3A A
  • Thread Quantity Per Inch: 18
  • Material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND 6 STYLE
  • Departure From Cited Designator: AS MODIFIED BY MATERIAL
  • Width Across Flats: 0.156 INCHES NOMINAL IN
  • Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
Applications
  • Applications requiring Nickel Alloy 400 or Nickel Alloy R-405 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-206-4674, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 10 manufacturers, 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
NSN5305-00-206-4674
Primary Part NumberDD445S4601-241ALT6PC57
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Thread Class3A A
Thread Quantity Per Inch18
MaterialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
Nondefinitive Spec/std Data1 TYPE AND 6 STYLE
Departure From Cited DesignatorAS MODIFIED BY MATERIAL
Width Across Flats0.156 INCHES NOMINAL IN
Material Document and ClassificationQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Head StyleHEADLESS (SETSCREW)
Point StyleHALF DOG
Nominal Thread Diameter0.312 INCHES IN
Fastener Length0.375 INCHES NOMINAL IN
Thread Length0.375 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-022-3042 INTERCHANGEABLE
Setscrew
5305-00-022-3052 INTERCHANGEABLE
Setscrew
5305-00-022-3150 INTERCHANGEABLE
Setscrew
5305-00-022-3334 INTERCHANGEABLE
Setscrew
5305-00-206-22861354 INTERCHANGEABLE
Setscrew
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5305-00-527-4430 INTERCHANGEABLE
Setscrew
5305-00-527-5434 INTERCHANGEABLE
Setscrew
5305-00-550-4289NASM51045-MS51045-42 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-656-0021 INTERCHANGEABLE
Setscrew
5305-00-660-2403 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
DD445S4601-241ALT6PC57 PRIMARY Naval Ship Systems Command (USA)
D-09N-0-99-032 PIECE 32 Carver Pump Company (USA)
CA122S4601-309345ALT6PC57 PRIMARY Naval Ship Systems Command (USA)
500-800-1 Siemens Energy, Inc. Dba Dresser-Rand (USA)
FFS103TYPE3STYLE6 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
48-4-0043PC18 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
CA122S4601-309346ALT6PC57 PRIMARY Naval Ship Systems Command (USA)
CVL48S4600-478835ALT5PC57 PRIMARY Naval Ship Systems Command (USA)
CA6351PC57 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
500-800-1 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
48-4-0041PC18 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL6671-17 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
48-4-0041PC18 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
500-800-1 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
5100S4700-470114PC17 PRIMARY Naval Ship Systems Command (USA)
5/16-18UNC X .3 75LG Zf Industrieantriebe Witten Gmbh (DEU)
N-999-6010-B-001 PIECE 31 Carver Pump Company (USA)
5100S4700-842387ALT1PC16 PRIMARY Naval Ship Systems Command (USA)
48-4-0043PC18 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
GCP385-15 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5305-00-022-3042INTERCHANGEABLE
SETSCREW
5305-00-022-3052INTERCHANGEABLE
SETSCREW
5305-00-022-3150INTERCHANGEABLE
SETSCREW
5305-00-022-3334INTERCHANGEABLE
SETSCREW
5305-00-206-2286INTERCHANGEABLE
SETSCREW
1354
5305-00-527-4430INTERCHANGEABLE
SETSCREW
5305-00-527-5434INTERCHANGEABLE
SETSCREW
5305-00-550-4289INTERCHANGEABLE
SETSCREW
NASM51045-MS51045-42
5305-00-656-0021INTERCHANGEABLE
SETSCREW
5305-00-660-2403INTERCHANGEABLE
SETSCREW
5305-00-682-5724INTERCHANGEABLE
SETSCREW
5305-00-682-5963INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 5305-00-206-4674?

NSN 5305-00-206-4674 is a Setscrew, manufactured by Naval Ship Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-206-4674?

NSN 5305-00-206-4674 has 25 cross-referenced part numbers: DD445S4601-241ALT6PC57 (Naval Ship Systems Command), D-09N-0-99-032 PIECE 32 (Carver Pump Company), CA122S4601-309345ALT6PC57 (Naval Ship Systems Command), 500-800-1 (Siemens Energy, Inc. Dba Dresser-Rand), FFS103TYPE3STYLE6 (Federal Specifications Promulgated by General Services Administration Washington DC) and 20 more.

What NSN replaces 5305-00-206-4674?

There are 12 known substitutes for 5305-00-206-4674: 5305-00-022-3042, 5305-00-022-3052, 5305-00-022-3150 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DD445S4601-241ALT6PC57?

Key specifications for DD445S4601-241ALT6PC57: Thread Class: 3A A; Thread Quantity Per Inch: 18; Material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL; Nondefinitive Spec/std Data: 1 TYPE AND 6 STYLE. 15 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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