PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DD421S55-0209PC14Screw,step

Naval Ship Systems Command · NSN 5305-00-334-9046 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-334-9046 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-334-9046. Primary manufacturer part number: DD421S55-0209PC14.
Features
  • Screw,step — FSC 5305
  • 18 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,step, cataloged under National Stock Number 5305-00-334-9046, 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. This item has 18 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,step
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersNaval Ship Systems Command (CAGE 80064); Alfa Laval Inc (CAGE 71871)
Technical Specifications
ParameterValue
NSN5305-00-334-9046
Primary Part NumberDD421S55-0209PC14
Item NameScrew,step
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-357-147415005 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Northwestern Tools, Inc.
7025-00-539-1574 INTERCHANGEABLE
Arm,stop
6515-00-890-164017-1055 INTERCHANGEABLE
Forceps,hemostatic
Sklar Corporation Dba Sklar Instruments
5310-00-939-2655MS51972-2 INTERCHANGEABLE
Nut,plain,hexagon
Sae International Dba Sae International
5330-00-948-061415005 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
8145-01-015-247615005 INTERCHANGEABLE
Shipping and Storage Container,i
Naval Inventory Control Point
5330-01-188-307515005 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
5975-01-413-832915005-100 INTERCHANGEABLE
Conduit,nonmetallic,flexible
Abb Installation Products Inc
4940-01-478-00194744 INTERCHANGEABLE
Shop Equipment,utility
Better Engineering Manufacturing Inc
5305-01-564-5428AES01C250A00WA6DG1 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
DD421S55-0209PC14 Naval Ship Systems Command (USA)
A989PC14 Alfa Laval Inc (USA)
DD421S55-0209PC1H60DLV10220 Naval Ship Systems Command (USA)
S4700H3131092PC1H60DLV10220 Naval Ship Systems Command (USA)
15005 Alfa Laval Inc (USA)
A906PC14 Alfa Laval Inc (USA)
CV9S5501-072PC14 Naval Ship Systems Command (USA)
A1161PC14 Alfa Laval Inc (USA)
AM136S45-94ALT3P Naval Ship Systems Command (USA)
A1065PC14 Alfa Laval Inc (USA)
99115005 Alfa Laval Inc (USA)
DD421S55-280ALT1PC14 Naval Ship Systems Command (USA)
CV9S5501-1PC14 Naval Ship Systems Command (USA)
S4700H3131092PC14 Naval Ship Systems Command (USA)
AM136S45-94ALT3PH60DLV10220 Naval Ship Systems Command (USA)
DD421S55-280ALT1H60DLV10220 Naval Ship Systems Command (USA)
A2038PC14 Alfa Laval Inc (USA)
AM57S45-30PC14 Naval Ship Systems Command (USA)
Related Parts
5310-00-357-1474INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
15005
7025-00-539-1574INTERCHANGEABLE
ARM,STOP
6515-00-890-1640INTERCHANGEABLE
FORCEPS,HEMOSTATIC
17-1055
5310-00-939-2655INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS51972-2
5330-00-948-0614INTERCHANGEABLE
SEAL,PLAIN ENCASED
15005
8145-01-015-2476INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,I
15005
5330-01-188-3075INTERCHANGEABLE
GASKET
15005
5975-01-413-8329INTERCHANGEABLE
CONDUIT,NONMETALLIC,FLEXIBLE
15005-100
4940-01-478-0019INTERCHANGEABLE
SHOP EQUIPMENT,UTILITY
4744
5305-01-564-5428INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C250A00WA6DG1

Frequently Asked Questions

What is NSN 5305-00-334-9046?

NSN 5305-00-334-9046 is a Screw,step, manufactured by Naval Ship Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-334-9046?

NSN 5305-00-334-9046 has 18 cross-referenced part numbers: DD421S55-0209PC14 (Naval Ship Systems Command), A989PC14 (Alfa Laval Inc), DD421S55-0209PC1H60DLV10220 (Naval Ship Systems Command), S4700H3131092PC1H60DLV10220 (Naval Ship Systems Command), 15005 (Alfa Laval Inc) and 13 more.

What NSN replaces 5305-00-334-9046?

There are 10 known substitutes for 5305-00-334-9046: 5310-00-357-1474, 7025-00-539-1574, 6515-00-890-1640 and 7 more. Verify interchangeability with system specifications before substitution.

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