PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75-1129Gasket

Libby Power Systems, Llc · NSN 5330-00-739-8018 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-739-8018 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-739-8018. Primary manufacturer part number: 75-1129.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Material: RUBBER OVERALL
  • Bolt Circle Diameter: 4.125 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.020 INCHES NOMINAL IN
  • Outside Diameter: 5.000 INCHES NOMINAL IN
  • Bolt Hole Quantity: 6
  • Hole Diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-739-8018, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Libby Power Systems, Llc. Government technical data includes 9 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
NSN5330-00-739-8018
Primary Part Number75-1129
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerLibby Power Systems, Llc
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
MaterialRUBBER OVERALL
Bolt Circle Diameter4.125 INCHES NOMINAL IN
Cross-Sectional Thickness0.020 INCHES NOMINAL IN
Outside Diameter5.000 INCHES NOMINAL IN
Bolt Hole Quantity6
Hole Diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Style DesignatorCIRCULAR
Aperture Diameter2.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4710-00-006-4572 INTERCHANGEABLE
Tube,bent,metallic
6685-00-074-4669164456 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5965-00-128-8756 INTERCHANGEABLE
Headset,electrical
5133-00-189-9318 INTERCHANGEABLE
Drill,twist
4730-00-274-920720028 INTERCHANGEABLE
Packing Nut
Northrop Grumman Systems Corporation Div Marine Systems
6105-00-390-622320028 INTERCHANGEABLE
Motor,direct Current
Raytheon Company Dba Raytheon
3830-00-447-65160120028 INTERCHANGEABLE
Roller,side Thrust
New Holland Construction
3455-00-531-132719636 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5340-00-558-9474200-28 INTERCHANGEABLE
Clevis,rod End
Ottawa Truck Inc Div Cargotec Solutions Llc - Kalmar Americas Region
5905-00-697-2752 INTERCHANGEABLE
Resistor,fixed,wire Wound
Cross-Reference Index
Part NumberManufacturer
75-1129 Libby Power Systems, Llc (USA)
20028 Western Mfg Co (USA)
Related Parts
4710-00-006-4572INTERCHANGEABLE
TUBE,BENT,METALLIC
6685-00-074-4669INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164456
5965-00-128-8756INTERCHANGEABLE
HEADSET,ELECTRICAL
5133-00-189-9318INTERCHANGEABLE
DRILL,TWIST
4730-00-274-9207INTERCHANGEABLE
PACKING NUT
20028
6105-00-390-6223INTERCHANGEABLE
MOTOR,DIRECT CURRENT
20028
3830-00-447-6516INTERCHANGEABLE
ROLLER,SIDE THRUST
0120028
3455-00-531-1327INTERCHANGEABLE
REAMER,MACHINE
19636
5340-00-558-9474INTERCHANGEABLE
CLEVIS,ROD END
200-28
5905-00-697-2752INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
6240-00-946-7858INTERCHANGEABLE
LAMP,INCANDESCENT
19A1S-57
4820-01-079-9011INTERCHANGEABLE
VALVE,SAFETY RELIEF
20028

Frequently Asked Questions

What is NSN 5330-00-739-8018?

NSN 5330-00-739-8018 is a Gasket, manufactured by Libby Power Systems, Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-739-8018?

NSN 5330-00-739-8018 has 2 cross-referenced part numbers: 75-1129 (Libby Power Systems, Llc), 20028 (Western Mfg Co).

What NSN replaces 5330-00-739-8018?

There are 12 known substitutes for 5330-00-739-8018: 4710-00-006-4572, 6685-00-074-4669, 5965-00-128-8756 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 75-1129?

Key specifications for 75-1129: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Material: RUBBER OVERALL; Bolt Circle Diameter: 4.125 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.020 INCHES NOMINAL IN. 10 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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