PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-16918Seal,plain

Safeguard Powertech Systems · NSN 5330-00-189-1835 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-189-1835 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-189-1835. Primary manufacturer part number: 6-16918.
Features
  • Seal,plain — FSC 5330
  • Seal Width: 0.312 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: DUAL LIP
  • Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
  • Material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
  • Material: STEEL INSERT
  • Construction: SOLID
  • Outside Diameter: 1.691 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Internally Molded-in Reinforcement construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-189-1835, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Safeguard Powertech Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5330-00-189-1835
Primary Part Number6-16918
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSafeguard Powertech Systems
StatusACTIVE
Seal Width0.312 INCHES NOMINAL IN
Cross-Sectional Shape StyleDUAL LIP
Material Document and ClassificationMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
MaterialSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
MaterialSTEEL INSERT
ConstructionSOLID
Outside Diameter1.691 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Housing Bore Diameter1.687 INCHES NOMINAL IN
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
Temp Rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-1586N12350 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5930-00-088-8675212-17439-4 INTERCHANGEABLE
Switch,rotary
Cts Corp Electromechanical Div
2530-00-400-6437 INTERCHANGEABLE
Valve,relay,air Pressure
1730-00-517-950050-590001 INTERCHANGEABLE
Towbar,aircraft
Textron Aviation Inc
6670-00-803-4030 INTERCHANGEABLE
Balance,trip
5330-01-104-842312350 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5306-01-124-511112350 INTERCHANGEABLE
Bolt
Westerbeke Corporation
5915-01-213-9382338-004-014 INTERCHANGEABLE
Filter,low Pass
L3harris Interstate Electronics Corporation
5315-01-379-848612350 INTERCHANGEABLE
Pin,straight,threaded
Oriel Corp
6525-01-574-7144100-0952-01 INTERCHANGEABLE
Mount,usb Adapter,computed Radio
Minxray Inc
Cross-Reference Index
Part NumberManufacturer
6-16918 PRIMARY Safeguard Powertech Systems (USA)
12350 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
4820-00-036-1586INTERCHANGEABLE
DISK,VALVE
N12350
5930-00-088-8675INTERCHANGEABLE
SWITCH,ROTARY
212-17439-4
2530-00-400-6437INTERCHANGEABLE
VALVE,RELAY,AIR PRESSURE
1730-00-517-9500INTERCHANGEABLE
TOWBAR,AIRCRAFT
50-590001
6670-00-803-4030INTERCHANGEABLE
BALANCE,TRIP
5330-01-104-8423INTERCHANGEABLE
SEAL,PLAIN ENCASED
12350
5306-01-124-5111INTERCHANGEABLE
BOLT
12350
5915-01-213-9382INTERCHANGEABLE
FILTER,LOW PASS
338-004-014
5315-01-379-8486INTERCHANGEABLE
PIN,STRAIGHT,THREADED
12350
6525-01-574-7144INTERCHANGEABLE
MOUNT,USB ADAPTER,COMPUTED RADIO
100-0952-01
4720-01-578-0297INTERCHANGEABLE
HOSE,PREFORMED
12350
3950-01-601-1159INTERCHANGEABLE
DRUM,WINCH
12350

Frequently Asked Questions

What is NSN 5330-00-189-1835?

NSN 5330-00-189-1835 is a Seal,plain, manufactured by Safeguard Powertech Systems, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-189-1835?

NSN 5330-00-189-1835 has 2 cross-referenced part numbers: 6-16918 (Safeguard Powertech Systems), 12350 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-189-1835?

There are 12 known substitutes for 5330-00-189-1835: 4820-00-036-1586, 5930-00-088-8675, 2530-00-400-6437 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-16918?

Key specifications for 6-16918: Seal Width: 0.312 INCHES NOMINAL IN; Cross-Sectional Shape Style: DUAL LIP; Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT; Material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com