PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A74431AGasket

Dresser, Llc · NSN 5330-00-149-1850 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-149-1850 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-149-1850. Primary manufacturer part number: 1A74431A.
Features
  • Gasket — FSC 5330
  • Aperture Length: 17.250 INCHES NOMINAL IN
  • Aperture Width: 6.688 INCHES NOMINAL IN
  • Material: CORK OVERALL
  • Style Designator: OVAL
  • Bearing Surface Width: 0.125 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • 9 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Cork Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-149-1850, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-149-1850
Primary Part Number1A74431A
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDresser, Llc
StatusCANCELLED
Aperture Length17.250 INCHES NOMINAL IN
Aperture Width6.688 INCHES NOMINAL IN
MaterialCORK OVERALL
Style DesignatorOVAL
Bearing Surface Width0.125 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5325-00-291-9360GC590A7 INTERCHANGEABLE
Retainer,turnlock Fastener Eject
Northrop Grumman Systems Corporation
7920-00-570-2395 INTERCHANGEABLE
Brush,wire
4240-00-893-3326 INTERCHANGEABLE
Pad,climbers
6830-01-100-90851RA 4210-031 21/2LB INTERCHANGEABLE
Halon,fire Ext
Warner Robins Air Logistics Center
4820-01-413-404838384 INTERCHANGEABLE
Body,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5975-01-483-9632 INTERCHANGEABLE
Strap,tie Down,electrical Compon
6110-01-533-151438384 INTERCHANGEABLE
Starter,motor
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
35031 Fitzgerald Gasket a Co of Tannetics Inc (USA)
1B6457 Napco International Llc Dba Napco International Inc (USA)
1A74431A Fwd Seagrave Holdings Lp (USA)
38384 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
1A74431A PRIMARY Dresser, Llc (USA)
C8344 Mahle Aftermarket Inc. Dba Ae Clevite Inc (USA)
74431A PRIMARY Dresser, Llc (USA)
05-51606 Kaitlin Corp (USA)
74431B Dresser, Llc (USA)
Related Parts
5325-00-291-9360INTERCHANGEABLE
RETAINER,TURNLOCK FASTENER EJECT
GC590A7
7920-00-570-2395INTERCHANGEABLE
BRUSH,WIRE
4240-00-893-3326INTERCHANGEABLE
PAD,CLIMBERS
6830-01-100-9085INTERCHANGEABLE
HALON,FIRE EXT
1RA 4210-031 21/2LB
4820-01-413-4048INTERCHANGEABLE
BODY,VALVE
38384
5975-01-483-9632INTERCHANGEABLE
STRAP,TIE DOWN,ELECTRICAL COMPON
6110-01-533-1514INTERCHANGEABLE
STARTER,MOTOR
38384

Frequently Asked Questions

What is NSN 5330-00-149-1850?

NSN 5330-00-149-1850 is a Gasket, manufactured by Dresser, Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-149-1850?

NSN 5330-00-149-1850 has 9 cross-referenced part numbers: 35031 (Fitzgerald Gasket a Co of Tannetics Inc), 1B6457 (Napco International Llc Dba Napco International Inc), 1A74431A (Fwd Seagrave Holdings Lp), 38384 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 1A74431A (Dresser, Llc) and 4 more.

What NSN replaces 5330-00-149-1850?

There are 7 known substitutes for 5330-00-149-1850: 5325-00-291-9360, 7920-00-570-2395, 4240-00-893-3326 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A74431A?

Key specifications for 1A74431A: Aperture Length: 17.250 INCHES NOMINAL IN; Aperture Width: 6.688 INCHES NOMINAL IN; Material: CORK OVERALL; Style Designator: OVAL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-149-1850 still in active supply?

NSN 5330-00-149-1850 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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