PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21029Gasket

Monnier Inc · NSN 5330-00-779-5747 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-779-5747 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-779-5747. Primary manufacturer part number: 21029.
Features
  • Gasket — FSC 5330
  • Outside Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • Cross-Sectional Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Aperture Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Style Designator: CIRCULAR
  • Material Document and Classification: 101 FSCM 24478 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-779-5747, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Monnier Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-779-5747
Primary Part Number21029
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMonnier Inc
StatusACTIVE
Outside Diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Cross-Sectional Thickness0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Aperture Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Style DesignatorCIRCULAR
Material Document and Classification101 FSCM 24478 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5120-00-057-6283 INTERCHANGEABLE
Pliers
4240-00-202-9473 INTERCHANGEABLE
Faceshield,industrial
2540-00-304-946321029 INTERCHANGEABLE
Seat,vehicular
Tenneco Inc
2835-00-654-676221029 INTERCHANGEABLE
Adapter Assy,alternator
Alamo Aircraft, Ltd.
5905-00-988-1559210-29 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Keysight Technologies Inc
3040-01-051-3606226722 INTERCHANGEABLE
Disc,brake
Allied Systems Company Dba Allied Systems Co
4720-01-165-090321029 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5935-01-178-42396135353-1 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Rotary and Mission Systems
5365-01-340-1245 INTERCHANGEABLE
Spacer,sleeve
5325-01-494-1475 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
21029 Monnier Inc (USA)
82529 Monnier Inc (USA)
F29 Monnier Inc (USA)
Related Parts
5120-00-057-6283INTERCHANGEABLE
PLIERS
4240-00-202-9473INTERCHANGEABLE
FACESHIELD,INDUSTRIAL
2540-00-304-9463INTERCHANGEABLE
SEAT,VEHICULAR
21029
2835-00-654-6762INTERCHANGEABLE
ADAPTER ASSY,ALTERNATOR
21029
5905-00-988-1559INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
210-29
3040-01-051-3606INTERCHANGEABLE
DISC,BRAKE
226722
4720-01-165-0903INTERCHANGEABLE
HOSE,PREFORMED
21029
5935-01-178-4239INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6135353-1
5365-01-340-1245INTERCHANGEABLE
SPACER,SLEEVE
5325-01-494-1475INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5330-00-779-5747?

NSN 5330-00-779-5747 is a Gasket, manufactured by Monnier Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-779-5747?

NSN 5330-00-779-5747 has 3 cross-referenced part numbers: 21029 (Monnier Inc), 82529 (Monnier Inc), F29 (Monnier Inc).

What NSN replaces 5330-00-779-5747?

There are 10 known substitutes for 5330-00-779-5747: 5120-00-057-6283, 4240-00-202-9473, 2540-00-304-9463 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21029?

Key specifications for 21029: Outside Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Cross-Sectional Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Aperture Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Style Designator: CIRCULAR. 7 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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