PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

331909Seal,plain

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 5330-00-916-4300 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-916-4300 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-916-4300. Primary manufacturer part number: 331909.
Features
  • Seal,plain — FSC 5330
  • Construction: SOLID
  • Cross-Sectional Shape Style: SINGLE LIP
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 1.625 INCHES NOMINAL IN
  • Seal Width: 0.313 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING SPRING
  • Accommodated Shaft Diameter: 1.125 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-916-4300, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-916-4300
Primary Part Number331909
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusCANCELLED
ConstructionSOLID
Cross-Sectional Shape StyleSINGLE LIP
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter1.625 INCHES NOMINAL IN
Seal Width0.313 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING SPRING
Accommodated Shaft Diameter1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-156-5064 INTERCHANGEABLE
Bearing,ball,annular
4330-00-204-338330-400-201 INTERCHANGEABLE
Filter Element,fluid
Wm W Nugent & Co Inc
1680-00-510-303451505 INTERCHANGEABLE
Adapter,flexible Sh
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5940-00-518-856910-201-1-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
2915-00-533-6191331909 INTERCHANGEABLE
Holder,packing Ring
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5310-00-736-10295150-5 INTERCHANGEABLE
Washer,shouldered
Goodrich Aerospace Canada Ltd
3455-01-034-2200157685 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
2805-01-061-637451505 INTERCHANGEABLE
Weight Assembly,oil Pump
Mcculloch Corp
5330-01-339-83539848-LUP INTERCHANGEABLE
Seal,plain
Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems
5120-01-428-5093 INTERCHANGEABLE
Hammer,hand
Cross-Reference Index
Part NumberManufacturer
9848LPD Johns Manville Intl (USA)
331909 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
9848LUP Johns Manville Intl (USA)
LPD9848 Johns Manville Intl (USA)
51505 St Regis Pulp and Paper Corp Cp Div (USA)
Related Parts
3110-00-156-5064INTERCHANGEABLE
BEARING,BALL,ANNULAR
4330-00-204-3383INTERCHANGEABLE
FILTER ELEMENT,FLUID
30-400-201
1680-00-510-3034INTERCHANGEABLE
ADAPTER,FLEXIBLE SH
51505
5940-00-518-8569INTERCHANGEABLE
TERMINAL,STUD
10-201-1-01
2915-00-533-6191INTERCHANGEABLE
HOLDER,PACKING RING
331909
5310-00-736-1029INTERCHANGEABLE
WASHER,SHOULDERED
5150-5
3455-01-034-2200INTERCHANGEABLE
FILE,ROTARY
157685
2805-01-061-6374INTERCHANGEABLE
WEIGHT ASSEMBLY,OIL PUMP
51505
5330-01-339-8353INTERCHANGEABLE
SEAL,PLAIN
9848-LUP
5120-01-428-5093INTERCHANGEABLE
HAMMER,HAND
1560-01-466-4230INTERCHANGEABLE
MANIFOLD,FLUID,AIRCRAFT
5150-5

Frequently Asked Questions

What is NSN 5330-00-916-4300?

NSN 5330-00-916-4300 is a Seal,plain, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-916-4300?

NSN 5330-00-916-4300 has 5 cross-referenced part numbers: 9848LPD (Johns Manville Intl), 331909 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 9848LUP (Johns Manville Intl), LPD9848 (Johns Manville Intl), 51505 (St Regis Pulp and Paper Corp Cp Div).

What NSN replaces 5330-00-916-4300?

There are 11 known substitutes for 5330-00-916-4300: 3110-00-156-5064, 4330-00-204-3383, 1680-00-510-3034 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 331909?

Key specifications for 331909: Construction: SOLID; Cross-Sectional Shape Style: SINGLE LIP; Material: RUBBER SYNTHETIC SEALING ELEMENT; Housing Bore Diameter: 1.625 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-916-4300 still in active supply?

NSN 5330-00-916-4300 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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