PartsTable TECHNICAL DATA SHEET
NSN 4730-01-251-6166Government record, cited

Adapter, Straight, Tube to Hose4730-01-251-6166

NSN 4730-01-251-6166 · NIIN 012516166 · Part number SS-6-TA-1-6AN
Swagelok Co · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 3T9T9
Government record, cited
NSN 4730-01-251-6166 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-251-6166. Manufacturer of record part number: SS-6-TA-1-6AN.
Also searched as  4730-01-251-6166 · 4730012516166 · NIIN 012516166 · 01-251-6166 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 3T9T9 · SS-6-TA-1-6AN
Nearby stock numbers  ·
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Connection Style: PLAIN (HOSE) SECOND END
  • Connection Style: FLARED (TUBE) FIRST END
  • Nominal Inside Diameter Hose Accommodated: 0.375 INCHES SECOND END IN
  • Nominal Overall Length: 1.500 INCHES IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN
Identification
  • NSN: 4730-01-251-6166
  • NIIN: 012516166
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: SS-6-TA-1-6AN
  • Manufacturer: Swagelok Co
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-251-6166, 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 Swagelok Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-251-6166
Primary Part NumberSS-6-TA-1-6AN
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerSwagelok Co
StatusACTIVE
Connection StylePLAIN (HOSE) SECOND END
Connection StyleFLARED (TUBE) FIRST END
Nominal Inside Diameter Hose Accommodated0.375 INCHES SECOND END IN
Nominal Overall Length1.500 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Nominal Thread Size0.562 INCHES FIRST END IN
Seat Angle37.0 DEGREES FIRST END
Thread Class2A FIRST END A
MaterialSTEEL COMP 316 OVERALL
Thread Series DesignatorUNF 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 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-558-6131 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)
Cross-Reference Index
Part NumberManufacturer
SS-6-TA-1-6AN PRIMARY Swagelok Co (USA)
Reference documents
ReferenceMeaning
SS-6-TA-1-6AN 5/9 Secondary reference
Cajon Co
Related Parts
4730-01-558-6131POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-01-251-6166?

NSN 4730-01-251-6166 is a Adapter,straight,tube to Hose, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-251-6166?

NSN 4730-01-251-6166 has 1 manufacturer part number on file: SS-6-TA-1-6AN (Swagelok Co).

What NSN replaces 4730-01-251-6166?

1 possible match (shared part number, not a government interchangeability claim): 4730-01-558-6131. Verify interchangeability with system specifications before substitution.

What are the specifications of SS-6-TA-1-6AN?

Key specifications for SS-6-TA-1-6AN: Connection Style: PLAIN (HOSE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Nominal Inside Diameter Hose Accommodated: 0.375 INCHES SECOND END IN; Nominal Overall Length: 1.500 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-251-6166 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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