PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16304Seal,plain Encased

Harbormaster Marine, Inc · NSN 5330-00-154-8296 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-154-8296 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-154-8296. Primary manufacturer part number: 16304.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: STEEL CASE
  • Housing Bore Diameter: 9.000 INCHES NOMINAL IN
  • Material: LEATHER SEALING ELEMENT
  • Seal Width: 0.750 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
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 5330-00-154-8296, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Harbormaster Marine, Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-154-8296
Primary Part Number16304
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHarbormaster Marine, Inc
StatusCANCELLED
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialSTEEL CASE
Housing Bore Diameter9.000 INCHES NOMINAL IN
MaterialLEATHER SEALING ELEMENT
Seal Width0.750 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Accommodated Shaft Diameter7.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-083-298316-304 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc
2530-00-127-86728S2589 INTERCHANGEABLE
Link,track Shoe,connecting
Caterpillar Inc Div Caterpillar Defense
3455-00-189-916311890 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5120-00-223-8486 INTERCHANGEABLE
Block,dolly,sheet Metalworking
5120-00-293-2384 INTERCHANGEABLE
Bar,wrecking
9540-00-805-6452 INTERCHANGEABLE
Structural Section,special Shape
5961-00-949-1173STI163-04 INTERCHANGEABLE
Transistor
Semiconductor Technology, Inc. Dba Semiconductor Technology Inc
4730-01-028-8147 INTERCHANGEABLE
Elbow,pipe to Tube
2930-01-062-1675 INTERCHANGEABLE
Water Outlet,engine
5355-01-089-608416304 INTERCHANGEABLE
Knob
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
16304 PRIMARY Harbormaster Marine, Inc (USA)
901716 PRIMARY Almon Johnson Ltd (USA)
911478PC93 Parmac Inc (USA)
419-6700-724285ALT4 PRIMARY Naval Ship Systems Command (USA)
901716 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
271-6709-958411REV6PC8 PRIMARY Naval Ship Systems Command (USA)
55118 Federal-Mogul Corp Chassis Products Div (USA)
55118 Parmac Inc (USA)
E320-672E PRIMARY Almon Johnson Ltd (USA)
2501-419ALT4PC8 PRIMARY Portsmouth Naval Shipyard (USA)
911478PC93 Parmac, Llc Div Parmac Inc (USA)
Related Parts
5930-00-083-2983INTERCHANGEABLE
SWITCH,SENSITIVE
16-304
2530-00-127-8672INTERCHANGEABLE
LINK,TRACK SHOE,CONNECTING
8S2589
3455-00-189-9163INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11890
5120-00-223-8486INTERCHANGEABLE
BLOCK,DOLLY,SHEET METALWORKING
5120-00-293-2384INTERCHANGEABLE
BAR,WRECKING
9540-00-805-6452INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
5961-00-949-1173INTERCHANGEABLE
TRANSISTOR
STI163-04
4730-01-028-8147INTERCHANGEABLE
ELBOW,PIPE TO TUBE
2930-01-062-1675INTERCHANGEABLE
WATER OUTLET,ENGINE
5355-01-089-6084INTERCHANGEABLE
KNOB
16304
6525-01-111-9033INTERCHANGEABLE
HANGER,X-RAY FILM
16304
3815-01-366-5894INTERCHANGEABLE
FAIRLEAD,ROLLER
55118

Frequently Asked Questions

What is NSN 5330-00-154-8296?

NSN 5330-00-154-8296 is a Seal,plain Encased, manufactured by Harbormaster Marine, Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-154-8296?

NSN 5330-00-154-8296 has 11 cross-referenced part numbers: 16304 (Harbormaster Marine, Inc), 901716 (Almon Johnson Ltd), 911478PC93 (Parmac Inc), 419-6700-724285ALT4 (Naval Ship Systems Command), 901716 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 6 more.

What NSN replaces 5330-00-154-8296?

There are 12 known substitutes for 5330-00-154-8296: 5930-00-083-2983, 2530-00-127-8672, 3455-00-189-9163 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16304?

Key specifications for 16304: Case Style: SQUARE; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Material: STEEL CASE; Housing Bore Diameter: 9.000 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-154-8296 still in active supply?

NSN 5330-00-154-8296 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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