PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

165-274Adapter,straight,pipe to Boss

Graco Inc. · NSN 4730-00-103-0315 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-103-0315 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-103-0315. Primary manufacturer part number: 165-274.
Features
  • Adapter,straight,pipe to Boss — FSC 4730
  • Connection Style: PLAIN (PIPE) FIRST END
  • Nominal Thread Size: 0.688 INCHES SECOND END IN
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Thread Class: 2A SECOND END A
  • Thread Series Designator: NPT FIRST END
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-00-103-0315, 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 Graco Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN4730-00-103-0315
Primary Part Number165-274
Item NameAdapter,straight,pipe to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGraco Inc.
StatusACTIVE
Connection StylePLAIN (PIPE) FIRST END
Nominal Thread Size0.688 INCHES SECOND END IN
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Class2A SECOND END A
Thread Series DesignatorNPT FIRST END
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Overall Length1.250 INCHES IN
Thread Series DesignatorUNS SECOND END
Thread Quantity Per Inch27 SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-837-61251102-16-0519 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5998-00-944-9184165-27-4 INTERCHANGEABLE
Circuit Card Assembly
Newington Electric Co., Inc.
4820-01-434-5489121394 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
165-274 PRIMARY Graco Inc. (USA)
12-1394 Bedford Precision Parts Corp (USA)
Related Parts
5940-00-837-6125INTERCHANGEABLE
TERMINAL,STUD
1102-16-0519
5998-00-944-9184INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
165-27-4
4820-01-434-5489INTERCHANGEABLE
STEM,FLUID VALVE
121394

Frequently Asked Questions

What is NSN 4730-00-103-0315?

NSN 4730-00-103-0315 is a Adapter,straight,pipe to Boss, manufactured by Graco Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-103-0315?

NSN 4730-00-103-0315 has 2 cross-referenced part numbers: 165-274 (Graco Inc.), 12-1394 (Bedford Precision Parts Corp).

What NSN replaces 4730-00-103-0315?

There are 3 known substitutes for 4730-00-103-0315: 5940-00-837-6125, 5998-00-944-9184, 4820-01-434-5489. Verify interchangeability with system specifications before substitution.

What are the specifications of 165-274?

Key specifications for 165-274: Connection Style: PLAIN (PIPE) FIRST END; Special Features: STEP ON BOSS END 0.445 IN. DIA 0.090 IN. DEEP IN; Nominal Thread Size: 0.688 INCHES SECOND END IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. 11 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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