PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

821230-01Cock,plug

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4820-00-326-7134 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-326-7134 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-326-7134. Primary manufacturer part number: 821230-01.
Features
  • Cock,plug — FSC 4820
  • Thread Series Designator: UNF SECOND END
  • Connection Type: THREADED INTERNAL BOSS FIRST END
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Thread Series Designator: UNF FIRST END
  • Material: STEEL FLOW CONTROL DEVICE
  • Thread Class: 3B ALL ENDS
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
Applications
  • Applications requiring Steel Flow Control Device construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-326-7134, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-326-7134
Primary Part Number821230-01
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Thread Series DesignatorUNF SECOND END
Connection TypeTHREADED INTERNAL BOSS FIRST END
Thread DirectionRIGHT-HAND ALL ENDS
Thread Series DesignatorUNF FIRST END
MaterialSTEEL FLOW CONTROL DEVICE
Thread Class3B ALL ENDS
Nominal Thread Size0.500 INCHES ALL ENDS IN
Flow StyleTWO WAY TWO PORT 90 DEGREE PLUG TURN
Valve Operation MethodMANUAL
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Criticality Code JustificationFEAT
Features ProvidedNONADJUSTABLE ROTATION
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
Seat Angle45.0 DEGREES ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5990-00-677-6476M20708/25-01B INTERCHANGEABLE
Synchro,control Transformer
Sae International Dba Sae International
5360-01-017-5570160-497 INTERCHANGEABLE
Spring
Automatic Switch Company Dba Asco
6545-01-607-9338TICS.00.10019 INTERCHANGEABLE
Refill,utility First Aid Kit
Tribalco Llc
Cross-Reference Index
Part NumberManufacturer
222172 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
821230-01 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
222172 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
160497 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5990-00-677-6476INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
M20708/25-01B
5360-01-017-5570INTERCHANGEABLE
SPRING
160-497
6545-01-607-9338INTERCHANGEABLE
REFILL,UTILITY FIRST AID KIT
TICS.00.10019

Frequently Asked Questions

What is NSN 4820-00-326-7134?

NSN 4820-00-326-7134 is a Cock,plug, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-326-7134?

NSN 4820-00-326-7134 has 4 cross-referenced part numbers: 222172 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 821230-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 222172 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 160497 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4820-00-326-7134?

There are 3 known substitutes for 4820-00-326-7134: 5990-00-677-6476, 5360-01-017-5570, 6545-01-607-9338. Verify interchangeability with system specifications before substitution.

What are the specifications of 821230-01?

Key specifications for 821230-01: Thread Series Designator: UNF SECOND END; Connection Type: THREADED INTERNAL BOSS FIRST END; Thread Direction: RIGHT-HAND ALL ENDS; Thread Series Designator: UNF FIRST END. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-326-7134 still in active supply?

NSN 4820-00-326-7134 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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