PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3402-920818PC30Seal,plain Encased

Naval Ship Systems Command · NSN 5330-00-256-1456 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-256-1456 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-256-1456. Primary manufacturer part number: 3402-920818PC30.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 1.575 INCHES NOMINAL IN
  • Seal Width: 0.312 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Material: LEATHER SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-256-1456, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5330-00-256-1456
Primary Part Number3402-920818PC30
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Sealing Element StyleANGULAR
Housing Bore Diameter1.575 INCHES NOMINAL IN
Seal Width0.312 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialLEATHER SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Case StyleSQUARE
Accommodated Shaft Diameter0.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-139-88841293-4 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
5895-00-146-792112934 INTERCHANGEABLE
Shield,weather Oper
Eide Industries, Inc.
5136-00-254-4518 INTERCHANGEABLE
Tap,thread Cutting
1660-00-566-966615726 INTERCHANGEABLE
Diaphragm,upper O,y
Mission Systems Orchard Park Inc
5365-00-881-004415726 INTERCHANGEABLE
Shim
Collins Engine Nozzles, Inc
5331-00-984-37502-016 N674-7 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
3455-01-050-9863157-26 INTERCHANGEABLE
Blade,circular Saw,metal Cutting
Kett Tool Company (inc)
5340-01-323-144815726 INTERCHANGEABLE
Standoff,threaded,spacing
Aerosonic Llc
6520-01-335-938415726 INTERCHANGEABLE
Spreader,endodontic,finger
Kerr Corporation
5330-01-517-865712934 INTERCHANGEABLE
Gasket
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
3402-920818PC30 PRIMARY Naval Ship Systems Command (USA)
1770XDMPC30 Itw Food Equipment Group Llc Dba Hobart Service (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
15726 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
12934 Itw Food Equipment Group Llc Dba Hobart Service (USA)
Related Parts
5930-00-139-8884INTERCHANGEABLE
SWITCH,PRESSURE
1293-4
5895-00-146-7921INTERCHANGEABLE
SHIELD,WEATHER OPER
12934
5136-00-254-4518INTERCHANGEABLE
TAP,THREAD CUTTING
1660-00-566-9666INTERCHANGEABLE
DIAPHRAGM,UPPER O,Y
15726
5365-00-881-0044INTERCHANGEABLE
SHIM
15726
5331-00-984-3750INTERCHANGEABLE
O-RING
2-016 N674-7
3455-01-050-9863INTERCHANGEABLE
BLADE,CIRCULAR SAW,METAL CUTTING
157-26
5340-01-323-1448INTERCHANGEABLE
STANDOFF,THREADED,SPACING
15726
6520-01-335-9384INTERCHANGEABLE
SPREADER,ENDODONTIC,FINGER
15726
5330-01-517-8657INTERCHANGEABLE
GASKET
12934
8340-01-667-5326INTERCHANGEABLE
BAG,TENT FRAME PARTS
15726
6150-01-675-2487INTERCHANGEABLE
POWER STRIP,ELECTRICAL OUTLET
12934

Frequently Asked Questions

What is NSN 5330-00-256-1456?

NSN 5330-00-256-1456 is a Seal,plain Encased, manufactured by Naval Ship Systems Command, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-256-1456?

NSN 5330-00-256-1456 has 5 cross-referenced part numbers: 3402-920818PC30 (Naval Ship Systems Command), 1770XDMPC30 (Itw Food Equipment Group Llc Dba Hobart Service), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 15726 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 12934 (Itw Food Equipment Group Llc Dba Hobart Service).

What NSN replaces 5330-00-256-1456?

There are 12 known substitutes for 5330-00-256-1456: 5930-00-139-8884, 5895-00-146-7921, 5136-00-254-4518 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3402-920818PC30?

Key specifications for 3402-920818PC30: Sealing Element Style: ANGULAR; Housing Bore Diameter: 1.575 INCHES NOMINAL IN; Seal Width: 0.312 INCHES NOMINAL IN; Material: STEEL CASE. 8 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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