PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55K135Packing,preformed

Vortox Company · NSN 5330-00-905-7788 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-905-7788 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-905-7788. Primary manufacturer part number: 55K135.
Features
  • Packing,preformed — FSC 5330
  • Hardness Rating: 20.0 SHORE DUROMETER A MINIMUM AND 30.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Material Document and Classification: MIL-R-1149,TYPE 1,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Diameter: 12.500 INCHES NOMINAL IN
  • Peripheral Diameter: 12.938 INCHES MINIMUM AND 13.002 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.344 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
  • Material: RUBBER CHLOROPRENE CLASS CR OVERALL
  • 2 verified cross-references
Applications
  • Applications requiring Rubber Chloroprene Class Cr Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-00-905-7788, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Vortox Company. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5330-00-905-7788
Primary Part Number55K135
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerVortox Company
StatusCANCELLED
Hardness Rating20.0 SHORE DUROMETER A MINIMUM AND 30.0 SHORE DUROMETER A MAXIMUM OVERALL
Material Document and ClassificationMIL-R-1149,TYPE 1,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Center Hole Diameter12.500 INCHES NOMINAL IN
Peripheral Diameter12.938 INCHES MINIMUM AND 13.002 INCHES MAXIMUM IN
Cross-Sectional Height0.344 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
MaterialRUBBER CHLOROPRENE CLASS CR OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2825-00-146-420510153 INTERCHANGEABLE
Seat
Northrop Grumman Systems Corporation Div Marine Systems
5996-00-204-30471015-3 INTERCHANGEABLE
Amplifier,audio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5975-00-208-6687 INTERCHANGEABLE
Conduit Outlet
5999-00-445-6818SM-A-959235-12 INTERCHANGEABLE
Wire Mesh,knitted
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-545-837768321849S36L INTERCHANGEABLE
Screw,machine
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5136-00-555-8906 INTERCHANGEABLE
Tap,thread Cutting
5360-00-614-8621101-53 INTERCHANGEABLE
Spring,helical,torsion
Iseli Co
2520-00-722-7074045-00046 INTERCHANGEABLE
Parts Kit,universal Joint
Kovatch Corp.
4730-00-871-84162150 INTERCHANGEABLE
Parts Kit,steam Trap
Velan Valve Corp.
5330-01-010-982610153 INTERCHANGEABLE
Gasket
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
55K135 PRIMARY Vortox Company (USA)
10153 Vortox Company (USA)
Related Parts
2825-00-146-4205INTERCHANGEABLE
SEAT
10153
5996-00-204-3047INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
1015-3
5975-00-208-6687INTERCHANGEABLE
CONDUIT OUTLET
5999-00-445-6818INTERCHANGEABLE
WIRE MESH,KNITTED
SM-A-959235-12
5305-00-545-8377INTERCHANGEABLE
SCREW,MACHINE
68321849S36L
5136-00-555-8906INTERCHANGEABLE
TAP,THREAD CUTTING
5360-00-614-8621INTERCHANGEABLE
SPRING,HELICAL,TORSION
101-53
2520-00-722-7074INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
045-00046
4730-00-871-8416INTERCHANGEABLE
PARTS KIT,STEAM TRAP
2150
5330-01-010-9826INTERCHANGEABLE
GASKET
10153
5330-01-027-4687INTERCHANGEABLE
SEAL,PLAIN ENCASED
10153
5950-01-161-3342INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5330-00-905-7788?

NSN 5330-00-905-7788 is a Packing,preformed, manufactured by Vortox Company, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-905-7788?

NSN 5330-00-905-7788 has 2 cross-referenced part numbers: 55K135 (Vortox Company), 10153 (Vortox Company).

What NSN replaces 5330-00-905-7788?

There are 12 known substitutes for 5330-00-905-7788: 2825-00-146-4205, 5996-00-204-3047, 5975-00-208-6687 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55K135?

Key specifications for 55K135: Hardness Rating: 20.0 SHORE DUROMETER A MINIMUM AND 30.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: MIL-R-1149,TYPE 1,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Center Hole Diameter: 12.500 INCHES NOMINAL IN; Peripheral Diameter: 12.938 INCHES MINIMUM AND 13.002 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-905-7788 still in active supply?

NSN 5330-00-905-7788 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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