PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A5371Seal,nonmetallic Special Shaped

Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division · NSN 5330-01-420-0704 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-420-0704 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-420-0704. Primary manufacturer part number: A5371.
Features
  • Seal,nonmetallic Special Shaped — FSC 5330
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Temp Rating: -40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF
  • Cross-Sectional Width: 1.800 INCHES MINIMUM AND 1.800 INCHES MINIMUM AND 1.830 INCHES MAXIMUM1.830 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SPECIALSPECIAL
  • Cross-Sectional Height: 1.443 INCHES MINIMUM AND 1.443 INCHES MINIMUM AND 1.469 INCHES MAXIMUM1.469 INCHES MAXIMUM IN
  • Construction: ONE-PIECEONE-PIECE
  • Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-420-0704, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-01-420-0704
Primary Part NumberA5371
Item NameSeal,nonmetallic Special Shaped
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Temp Rating-40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF
Cross-Sectional Width1.800 INCHES MINIMUM AND 1.800 INCHES MINIMUM AND 1.830 INCHES MAXIMUM1.830 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSPECIALSPECIAL
Cross-Sectional Height1.443 INCHES MINIMUM AND 1.443 INCHES MINIMUM AND 1.469 INCHES MAXIMUM1.469 INCHES MAXIMUM IN
ConstructionONE-PIECEONE-PIECE
Hardness Rating55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
Style DesignatorOVAL
Material Document and ClassificationMIL-G-21569, CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
1650-00-130-93545371 INTERCHANGEABLE
Head,hydraulic Motor-Pump
Eaton Aerospace, Llc Dba Jackson South
5950-00-156-084610688212 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5330-00-251-32294001639-6 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
5305-00-407-6543 INTERCHANGEABLE
Screw,lag
1280-00-595-36065371 INTERCHANGEABLE
Heat Plate,offset P
Cox & Company, Inc. Dba Cox & Co Inc
1630-01-240-4316537-1-1 INTERCHANGEABLE
Heat Stack Assembly
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
7045-01-515-537105745 INTERCHANGEABLE
Disk,nonflexible
Memorex Corp
6515-01-559-3980VM25-2509 INTERCHANGEABLE
Forceps,hemostatic
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
A5371 Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
A5371 Parker Hannifin Corporation Div Composite Sealing Systems Division (USA)
13079856-2 Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah (USA)
5371 Parker Hannifin Corporation Div O-Ring Division (USA)
13079856-2 Northrop Grumman Systems Corporation (USA)
13079856 Lockheed Martin Corporation (USA)
Related Parts
1650-00-130-9354INTERCHANGEABLE
HEAD,HYDRAULIC MOTOR-PUMP
5371
5950-00-156-0846INTERCHANGEABLE
TRANSFORMER,POWER
10688212
5330-00-251-3229INTERCHANGEABLE
GASKET
4001639-6
5305-00-407-6543INTERCHANGEABLE
SCREW,LAG
1280-00-595-3606INTERCHANGEABLE
HEAT PLATE,OFFSET P
5371
1630-01-240-4316INTERCHANGEABLE
HEAT STACK ASSEMBLY
537-1-1
7045-01-515-5371INTERCHANGEABLE
DISK,NONFLEXIBLE
05745
6515-01-559-3980INTERCHANGEABLE
FORCEPS,HEMOSTATIC
VM25-2509

Frequently Asked Questions

What is NSN 5330-01-420-0704?

NSN 5330-01-420-0704 is a Seal,nonmetallic Special Shaped, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-01-420-0704?

NSN 5330-01-420-0704 has 6 cross-referenced part numbers: A5371 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), A5371 (Parker Hannifin Corporation Div Composite Sealing Systems Division), 13079856-2 (Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah), 5371 (Parker Hannifin Corporation Div O-Ring Division), 13079856-2 (Northrop Grumman Systems Corporation) and 1 more.

What NSN replaces 5330-01-420-0704?

There are 8 known substitutes for 5330-01-420-0704: 1650-00-130-9354, 5950-00-156-0846, 5330-00-251-3229 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A5371?

Key specifications for A5371: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL; Temp Rating: -40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF; Cross-Sectional Width: 1.800 INCHES MINIMUM AND 1.800 INCHES MINIMUM AND 1.830 INCHES MAXIMUM1.830 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SPECIALSPECIAL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-01-420-0704 still in active supply?

NSN 5330-01-420-0704 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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