4600

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NUT,PLAIN,CASTELLATED,HEXAGON

PDI GROUND SUPPORT SYSTEMS, INC.ATA 20

Where to Buy

Search this part number directly on major distributors

Documentation

General information based on part classification, not a certification determination. Your operator's quality manual governs.

OEM / Production Approval Holder Part8130-3 Eligible

What to ask the seller for

  • FAA Form 8130-3 from the PAH or an authorized release traceable to the PAH
  • Manufacturer's CofC if a Form 8130-3 was not issued

Governing reference: FAA Order 8130.21J

PMA Alternatives

No PMA alternatives found for this part. This does not mean none exist — only that none are currently in our database.

Supplemental Type Certificates6 found

FAA-approved modifications that reference this part number

SR02484SE ↗McDermott Aviation 214 Holdings, LLC
Rev: 2026-05-19

Installation of ISOLAIR Fire Fighting System 4600-214B

Aircraft: 214B, 214B-1

SR01858SE ↗Isolair Inc.
Rev: 2025-02-06

Manufacture of the Isolair, Inc., Eliminator II Model 4600-S61 Fire Fighting System

Aircraft: S-61A, S-61N

SR01767SE ↗Isolair Inc.
Rev: 2025-02-06

Manufacture of Isolair Eliminator Model 4600-K1200 Fire Fighting System

Aircraft: K-1200

SH8610SW ↗Isolair Inc.
Rev: 2025-02-06

Fabrication of Isolair Eliminator II Model 4600-212/412 Fire Fighting System

Aircraft: 412, 212, 412EP

SH8609SW ↗Isolair Inc.
Rev: 2025-02-06

Fabrication of Isolair Eliminator II Model 4600-205 fire fighting system.

Aircraft: UH-1H, 205A-1, 210, SW205 (UH-1H)

SH1014NW ↗Simplex Manufacturing Co
Rev: 1981-03-09

Simplex Model 4600 spray system

Aircraft: UH-12E

Airworthiness Directives

Synced 40 days ago (09/27/2026)

No Active Airworthiness Directives

No FAA or EASA ADs are linked to this part number. Always verify against the aircraft's maintenance records before install.

Service Difficulty Reports

No Service Difficulty Reports

No failure reports found for this part number in the FAA SDR database.

Suspect-Parts Alerts (SUP/UPN)

No Suspect-Parts Alerts

This manufacturer is not named in any active FAA Suspect Unapproved Parts (SUP/UPN) notification.

NSN Cross-References1 NSN — DLA WebFLIS

National Stock Numbers assigned to this part number by the U.S. Defense Logistics Agency

NSNStandardized NameFSCDLA List Price (gov't catalog)CAGE / Manufacturer
5310-01-479-4059NUT,PLAIN,CASTELLATED,HEXAGON5310$4.20/EA0W357PDI GROUND SUPPORT SYSTEMS, INC.

DLA PUBLOG published list price — government procurement catalog, not a commercial market price. Prices may differ from current commercial availability.

Government Award Prices

U.S. government contract award prices from FPDS — unit prices for NSN purchases by DoD/DLA agencies

No government contract award price data found for this part number.

Identifiers

Manufacturer

PDI GROUND SUPPORT SYSTEMS, INC.

Source

DLA WebFLIS

ATA Chapter

20

Type

OEM

Part ID: nsn:4600 | Source: DLA WebFLIS | Last updated: 2026-11-07