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NSN 4730-01-431-2523Government record, cited
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Adapter, Straight, Pipe to Tube4730-01-431-2523

NSN 4730-01-431-2523 · NIIN 014312523 · Part number 592-6940630-113
Naval Sea Systems Command · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4730-01-431-2523 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-431-2523. Manufacturer of record part number: 592-6940630-113.
Also searched as  4730-01-431-2523 · 4730014312523 · NIIN 014312523 · 01-431-2523 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 592-6940630-113 · 6940630 · 592-6940630 ITEM 7
Nearby stock numbers  ·
L 70.0 MILLIMETERS MM UNF AND NPT FIRST END HOSE FITTING
4730-01-431-2523 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Overall Length: 70.0 MILLIMETERS MM
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL TUBE AND THREADED INTERNAL PIPE FIRST END
  • Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Outside Diameter Tube Accommodated: 1.000 INCHES FIRST END IN
Identification
  • NSN: 4730-01-431-2523
  • NIIN: 014312523
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 592-6940630-113
  • Manufacturer: Naval Sea Systems Command
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-431-2523, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-431-2523
Primary Part Number592-6940630-113
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNaval Sea Systems Command
StatusACTIVE
Connection StylePLAIN (TUBE) FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Overall Length70.0 MILLIMETERS MM
Connection TypeTHREADED INTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL TUBE AND THREADED INTERNAL PIPE FIRST END
Material Document and ClassificationASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated1.000 INCHES FIRST END IN
Nominal Thread Size0.750 INCHES SECOND END IN
Nominal Thread Size1.375 INCHES AND 0.750 INCHES FIRST END IN
Thread Class2A FIRST END A
MaterialSTEEL COMP 316 OVERALL
Thread Series DesignatorNPT SECOND END
Thread Series DesignatorUNF AND NPT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-431-2526592-6940630-117 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Naval Sea Systems Command
4730-01-431-7514592-6940630-111 POSSIBLE MATCH
PLUG,TUBE FITTING,THREADED
Possible match (shared part number)Naval Sea Systems Command
4730-01-431-7515592-6940630-115 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Naval Sea Systems Command
4730-01-431-7517592-6940630-119 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Naval Sea Systems Command
4220-01-432-9965592-6940630-121 POSSIBLE MATCH
PENETRATOR,ELECTRIC
Possible match (shared part number)Naval Sea Systems Command
4220-01-433-0006592-6940630-109 POSSIBLE MATCH
PENETRATOR,PRESSURE
Possible match (shared part number)Naval Sea Systems Command
4730-01-437-7505592-6940630-107 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO GAS FIT
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
592-6940630 ITEM 7 Naval Sea Systems Command (USA)
592-6940630-113 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
6940630 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
4730-01-431-2526POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
592-6940630-117
4730-01-431-7514POSSIBLE MATCH
PLUG,TUBE FITTING,THREADED
592-6940630-111
4730-01-431-7515POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
592-6940630-115
4730-01-431-7517POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
592-6940630-119
4220-01-432-9965POSSIBLE MATCH
PENETRATOR,ELECTRIC
592-6940630-121
4220-01-433-0006POSSIBLE MATCH
PENETRATOR,PRESSURE
592-6940630-109
4730-01-437-7505POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO GAS FIT
592-6940630-107

Frequently Asked Questions

What is NSN 4730-01-431-2523?

NSN 4730-01-431-2523 is a Adapter,straight,pipe to Tube, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-431-2523?

NSN 4730-01-431-2523 has 2 manufacturer part numbers on file: 592-6940630 ITEM 7 (Naval Sea Systems Command), 592-6940630-113 (Naval Sea Systems Command).

What NSN replaces 4730-01-431-2523?

7 possible matches (shared part number, not a government interchangeability claim): 4730-01-431-2526, 4730-01-431-7514, 4730-01-431-7515. Verify interchangeability with system specifications before substitution.

What are the specifications of 592-6940630-113?

Key specifications for 592-6940630-113: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 70.0 MILLIMETERS MM; Connection Type: THREADED INTERNAL PIPE SECOND END. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-431-2523 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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