PartsTable TECHNICAL DATA SHEET
NSN 4730-01-395-8871Government record, cited

Adapter, Straight, Pipe to Tube4730-01-395-8871

NSN 4730-01-395-8871 · NIIN 013958871 · Part number 803-6397408-ASSY82
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 4730-01-395-8871 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-395-8871. Manufacturer of record part number: 803-6397408-ASSY82.
Also searched as  4730-01-395-8871 · 4730013958871 · NIIN 013958871 · 01-395-8871 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 803-6397408-ASSY82 · 6397408
Nearby stock numbers  ·
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Overall Length: 1.625 INCHES IN
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Nominal Outside Diameter Tube Accommodated: 1.500 INCHES FIRST END IN
  • Nominal Thread Size: 1.000 INCHES SECOND END IN
Identification
  • NSN: 4730-01-395-8871
  • NIIN: 013958871
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 803-6397408-ASSY82
  • Manufacturer: Naval Sea Systems Command
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-395-8871, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-395-8871
Primary Part Number803-6397408-ASSY82
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 Length1.625 INCHES IN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Nominal Outside Diameter Tube Accommodated1.500 INCHES FIRST END IN
Nominal Thread Size1.000 INCHES SECOND END IN
Nominal Thread Size1.875 INCHES FIRST END IN
Thread Class2B SECOND END
Thread Quantity Per Inch16 SECOND END
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorUN FIRST END
Thread Series DesignatorACME SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-396-51066397408 PIECE 23 POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-396-51086397408 PIECE 31 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-397-2692803-6397408-PC047 POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-397-2701803-6397408-PC046 POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-397-7071803-6397408-PC035 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-397-7364803-6397408-PC051 POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-397-7378803-6397408-PC049 POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-397-7860803-6397408-PC100 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
4810-01-397-81976397408 POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
803-6397408-ASSY82 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
6397408 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
4810-01-396-5106POSSIBLE MATCH
SEAT,VALVE
6397408 PIECE 23
4810-01-396-5108POSSIBLE MATCH
DISK,VALVE
6397408 PIECE 31
4810-01-397-2692POSSIBLE MATCH
RETAINER,DISK,VALVE
803-6397408-PC047
4810-01-397-2701POSSIBLE MATCH
RETAINER,DISK,VALVE
803-6397408-PC046
4820-01-397-7071POSSIBLE MATCH
DISK,VALVE
803-6397408-PC035
4810-01-397-7364POSSIBLE MATCH
RETAINER,DISK,VALVE
803-6397408-PC051
4810-01-397-7378POSSIBLE MATCH
RETAINER,DISK,VALVE
803-6397408-PC049
4820-01-397-7860POSSIBLE MATCH
STEM,FLUID VALVE
803-6397408-PC100
4810-01-397-8197POSSIBLE MATCH
RETAINER,DISK,VALVE
6397408

Frequently Asked Questions

What is NSN 4730-01-395-8871?

NSN 4730-01-395-8871 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 4730-01-395-8871?

NSN 4730-01-395-8871 has 1 manufacturer part number on file: 803-6397408-ASSY82 (Naval Sea Systems Command).

What NSN replaces 4730-01-395-8871?

9 possible matches (shared part number, not a government interchangeability claim): 4810-01-396-5106, 4810-01-396-5108, 4810-01-397-2692. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-6397408-ASSY82?

Key specifications for 803-6397408-ASSY82: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.625 INCHES IN; Connection Type: THREADED INTERNAL PIPE SECOND END. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-395-8871 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.

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