PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-2445066PC67 4INPlug,pipe

Naval Ship Systems Command · NSN 4730-01-116-6783 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-116-6783 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-116-6783. Primary manufacturer part number: 845-2445066PC67 4IN.
Features
  • Plug,pipe — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Drive End Style: RAISED SQUARE
  • Nominal Pipe Size for Which Designed: 4.000 INCHES IN
  • Connection Style: PLAIN
  • Body Type: SOLID
  • Thread Class: 2A EXTERNAL A
  • Thread Series Designator: NPT EXTERNAL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-01-116-6783, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-116-6783
Primary Part Number845-2445066PC67 4IN
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Drive End StyleRAISED SQUARE
Nominal Pipe Size for Which Designed4.000 INCHES IN
Connection StylePLAIN
Body TypeSOLID
Thread Class2A EXTERNAL A
Thread Series DesignatorNPT EXTERNAL
Thread DirectionRIGHT-HAND EXTERNAL
Nominal Thread Size4.000 INCHES EXTERNAL IN
Head TypeSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-061-5106 INTERCHANGEABLE
Ball,valve
5360-01-068-732626M77-100 PC MK73 INTERCHANGEABLE
Spring,helical,compression
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-082-883326M77-100PC104 INTERCHANGEABLE
Retainer,seal,stem
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-092-034326M77-100 ITEM 21 INTERCHANGEABLE
Retainer,disk,valve
Naval Ship Systems Command
4820-01-092-173226M77-100PC27 INTERCHANGEABLE
Disk Stem Ring
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-092-6147845-2181282 PIECE 3 3IN INTERCHANGEABLE
Seat,valve
Naval Ship Systems Command
5355-01-116-37662445066 ITEM 89 INTERCHANGEABLE
Pointer,valve
Naval Ship Systems Command
4820-01-116-37932620-920X12 PIECE 8 4IN INTERCHANGEABLE
Ring,disk,stem,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-116-49222620-920X12 PIECE 59 4IN INTERCHANGEABLE
Ring,pointer
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-116-68672620-920X12 PIECE 10 4IN INTERCHANGEABLE
Retainer,disk,valve
Hydro-Aire Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
845-2445066PC67 4IN PRIMARY Naval Ship Systems Command (USA)
2620.920X12 PIECE 36 4IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
845-2181282 Naval Ship Systems Command (USA)
26M77-100PC67 4IN PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
845-2181282 PIECE 36 4IN Naval Ship Systems Command (USA)
Related Parts
4820-01-061-5106INTERCHANGEABLE
BALL,VALVE
5360-01-068-7326INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
26M77-100 PC MK73
4820-01-082-8833INTERCHANGEABLE
RETAINER,SEAL,STEM
26M77-100PC104
4820-01-092-0343INTERCHANGEABLE
RETAINER,DISK,VALVE
26M77-100 ITEM 21
4820-01-092-1732INTERCHANGEABLE
DISK STEM RING
26M77-100PC27
4820-01-092-6147INTERCHANGEABLE
SEAT,VALVE
845-2181282 PIECE 3 3IN
5355-01-116-3766INTERCHANGEABLE
POINTER,VALVE
2445066 ITEM 89
4820-01-116-3793INTERCHANGEABLE
RING,DISK,STEM,VALVE
2620-920X12 PIECE 8 4IN
4820-01-116-4922INTERCHANGEABLE
RING,POINTER
2620-920X12 PIECE 59 4IN
4820-01-116-6867INTERCHANGEABLE
RETAINER,DISK,VALVE
2620-920X12 PIECE 10 4IN
4820-01-117-0973INTERCHANGEABLE
GUIDE,PLUNGER,VALVE
2620-920X12 PIECE 41
3040-01-117-3702INTERCHANGEABLE
GEARSHAFT,BEVEL
2620-920X12 PIECE 35 4IN

Frequently Asked Questions

What is NSN 4730-01-116-6783?

NSN 4730-01-116-6783 is a Plug,pipe, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-116-6783?

NSN 4730-01-116-6783 has 5 cross-referenced part numbers: 845-2445066PC67 4IN (Naval Ship Systems Command), 2620.920X12 PIECE 36 4IN (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2181282 (Naval Ship Systems Command), 26M77-100PC67 4IN (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2181282 PIECE 36 4IN (Naval Ship Systems Command).

What NSN replaces 4730-01-116-6783?

There are 12 known substitutes for 4730-01-116-6783: 4820-01-061-5106, 5360-01-068-7326, 4820-01-082-8833 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-2445066PC67 4IN?

Key specifications for 845-2445066PC67 4IN: Material: COPPER ALLOY OVERALL; Drive End Style: RAISED SQUARE; Nominal Pipe Size for Which Designed: 4.000 INCHES IN; Connection Style: PLAIN. 10 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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