PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50321Gasket

Paccar Winch Inc Dba Paccar Winch Division · NSN 5330-01-126-9503 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-126-9503 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-126-9503. Primary manufacturer part number: 50321.
Features
  • Gasket — FSC 5330
  • Style Designator: CIRCULAR
  • Material Document and Classification: AMS 7271 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Elongation Percentage: 200 MAXIMUM
  • Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL OVERALL
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Aperture Diameter: 3.750 INCHES NOMINAL IN
  • Outside Diameter: 4.000 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-01-126-9503, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-126-9503
Primary Part Number50321
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
Style DesignatorCIRCULAR
Material Document and ClassificationAMS 7271 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Elongation Percentage200 MAXIMUM
Hardness Rating65.0 SHORE DUROMETER A NOMINAL OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Aperture Diameter3.750 INCHES NOMINAL IN
Outside Diameter4.000 INCHES NOMINAL IN
Cross-Sectional Thickness0.125 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5945-00-076-553650-321 INTERCHANGEABLE
Relay,electromagnetic
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
3810-00-127-942516-55 INTERCHANGEABLE
Wiper,rod
Hydranamics Inc
2520-00-360-76044982598 INTERCHANGEABLE
Carrier with Bearin
Agco Corp Parts Opn
5330-00-433-152550-321 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
3030-00-487-94253/3VX335 INTERCHANGEABLE
Belts,v,matched Set
Contitech Usa, Inc Dba Veyance Technologies
3455-00-517-6039 INTERCHANGEABLE
File,rotary
6680-01-008-95525032-1 INTERCHANGEABLE
Diaphragm
Avox Systems Inc Dba Avox Systems Inc
5895-01-381-3566 INTERCHANGEABLE
Case,electronic Communications E
5120-01-428-8378YA339A INTERCHANGEABLE
Scriber,machinist's
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
1650-01-442-737950321 INTERCHANGEABLE
Cap,valve
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
50321 PRIMARY Paccar Winch Inc Dba Paccar Winch Division (USA)
50321 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5945-00-076-5536INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
50-321
3810-00-127-9425INTERCHANGEABLE
WIPER,ROD
16-55
2520-00-360-7604INTERCHANGEABLE
CARRIER WITH BEARIN
4982598
5330-00-433-1525INTERCHANGEABLE
GASKET
50-321
3030-00-487-9425INTERCHANGEABLE
BELTS,V,MATCHED SET
3/3VX335
3455-00-517-6039INTERCHANGEABLE
FILE,ROTARY
6680-01-008-9552INTERCHANGEABLE
DIAPHRAGM
5032-1
5895-01-381-3566INTERCHANGEABLE
CASE,ELECTRONIC COMMUNICATIONS E
5120-01-428-8378INTERCHANGEABLE
SCRIBER,MACHINIST'S
YA339A
1650-01-442-7379INTERCHANGEABLE
CAP,VALVE
50321
4920-01-616-0862INTERCHANGEABLE
REPAIR KIT,AIRCRAFT,MAINTENANCE
50321

Frequently Asked Questions

What is NSN 5330-01-126-9503?

NSN 5330-01-126-9503 is a Gasket, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-126-9503?

NSN 5330-01-126-9503 has 2 cross-referenced part numbers: 50321 (Paccar Winch Inc Dba Paccar Winch Division), 50321 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5330-01-126-9503?

There are 11 known substitutes for 5330-01-126-9503: 5945-00-076-5536, 3810-00-127-9425, 2520-00-360-7604 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50321?

Key specifications for 50321: Style Designator: CIRCULAR; Material Document and Classification: AMS 7271 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Elongation Percentage: 200 MAXIMUM; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL OVERALL. 9 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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