PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3577Gasket

Sealcraft Corporation · NSN 5330-00-621-0775 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-621-0775 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-621-0775. Primary manufacturer part number: 3577.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Style Designator: CIRCULAR
  • Material: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Outside Diameter: 4.938 INCHES NOMINAL IN
  • Hole Diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Bolt Circle Diameter: 4.375 INCHES NOMINAL IN
  • Material Document and Classification: MIL-G-12803,NO. +3342-E MIL SPEC ALL MATERIAL RESPONSES OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper and Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-621-0775, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sealcraft Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-621-0775
Primary Part Number3577
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSealcraft Corporation
StatusCANCELLED
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Style DesignatorCIRCULAR
MaterialPAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Outside Diameter4.938 INCHES NOMINAL IN
Hole Diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Bolt Circle Diameter4.375 INCHES NOMINAL IN
Material Document and ClassificationMIL-G-12803,NO. +3342-E MIL SPEC ALL MATERIAL RESPONSES OVERALL
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Bolt Hole Quantity6
Aperture Diameter3.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-100-07791B3969 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
6250-00-217-3118 INTERCHANGEABLE
Lampholder
5905-00-279-2519 INTERCHANGEABLE
Resistor,fixed,composition
4310-00-430-48252137X INTERCHANGEABLE
Parts Kit,valve,compressor
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
7920-00-900-35773577 INTERCHANGEABLE
Brush
Gordon Brush Mfg. Co., Inc.
5961-00-935-5032 INTERCHANGEABLE
Semiconductor Device,diode
3120-01-017-40073577 17020 INTERCHANGEABLE
Bushing,sleeve
The Gorman-Rupp Company Div Gorman-Rupp
5998-01-018-8053003577 INTERCHANGEABLE
Circuit Card Assembly
Dynalec Corporation
5305-01-260-98093577 INTERCHANGEABLE
Screw,wood
Auto Vehicle Parts Co Dba Au-Ve-Co
7920-01-604-330730SS INTERCHANGEABLE
Brush,wire,scratch
Gordon Brush Mfg. Co., Inc.
Cross-Reference Index
Part NumberManufacturer
3577 PRIMARY Sealcraft Corporation (USA)
Related Parts
3110-00-100-0779INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1B3969
6250-00-217-3118INTERCHANGEABLE
LAMPHOLDER
5905-00-279-2519INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4310-00-430-4825INTERCHANGEABLE
PARTS KIT,VALVE,COMPRESSOR
2137X
7920-00-900-3577INTERCHANGEABLE
BRUSH
3577
5961-00-935-5032INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3120-01-017-4007INTERCHANGEABLE
BUSHING,SLEEVE
3577 17020
5998-01-018-8053INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
003577
5305-01-260-9809INTERCHANGEABLE
SCREW,WOOD
3577
7920-01-604-3307INTERCHANGEABLE
BRUSH,WIRE,SCRATCH
30SS

Frequently Asked Questions

What is NSN 5330-00-621-0775?

NSN 5330-00-621-0775 is a Gasket, manufactured by Sealcraft Corporation, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-621-0775?

NSN 5330-00-621-0775 has 1 cross-referenced part number: 3577 (Sealcraft Corporation).

What NSN replaces 5330-00-621-0775?

There are 10 known substitutes for 5330-00-621-0775: 3110-00-100-0779, 6250-00-217-3118, 5905-00-279-2519 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3577?

Key specifications for 3577: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Style Designator: CIRCULAR; Material: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL; Outside Diameter: 4.938 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-621-0775 still in active supply?

NSN 5330-00-621-0775 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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