PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

271103Coupling,pipe

Hammonds Technical Services, Inc. · NSN 4730-01-721-8355 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-721-8355 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-721-8355. Primary manufacturer part number: 271103.
Features
  • Coupling,pipe — FSC 4730
  • Material: STEEL COMP 304 OVERALL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Nominal Inside Diameter Hose Accommodated: 0.375 INCHES ALL ENDS IN
  • Nominal Outside Diameter: 1.01 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • Thread Quantity Per Inch: 18 ALL ENDS
  • Nominal Overall Length: 1.12 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-721-8355, 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 Hammonds Technical Services, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-01-721-8355
Primary Part Number271103
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHammonds Technical Services, Inc.
StatusACTIVE
MaterialSTEEL COMP 304 OVERALL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Nominal Inside Diameter Hose Accommodated0.375 INCHES ALL ENDS IN
Nominal Outside Diameter1.01 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Thread Quantity Per Inch18 ALL ENDS
Nominal Overall Length1.12 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-883-8615465BBLACK INTERCHANGEABLE
Plug,tip
Birnbach Co Inc
6240-01-082-87982140-0008 INTERCHANGEABLE
Lamp,glow
Keysight Technologies Inc
4320-01-115-9423271103 INTERCHANGEABLE
Pump,vacuum
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
271103 PRIMARY Hammonds Technical Services, Inc. (USA)
Related Parts
5935-00-883-8615INTERCHANGEABLE
PLUG,TIP
465BBLACK
6240-01-082-8798INTERCHANGEABLE
LAMP,GLOW
2140-0008
4320-01-115-9423INTERCHANGEABLE
PUMP,VACUUM
271103

Frequently Asked Questions

What is NSN 4730-01-721-8355?

NSN 4730-01-721-8355 is a Coupling,pipe, manufactured by Hammonds Technical Services, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-721-8355?

NSN 4730-01-721-8355 has 1 cross-referenced part number: 271103 (Hammonds Technical Services, Inc.).

What NSN replaces 4730-01-721-8355?

There are 3 known substitutes for 4730-01-721-8355: 5935-00-883-8615, 6240-01-082-8798, 4320-01-115-9423. Verify interchangeability with system specifications before substitution.

What are the specifications of 271103?

Key specifications for 271103: Material: STEEL COMP 304 OVERALL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Nominal Inside Diameter Hose Accommodated: 0.375 INCHES ALL ENDS IN; Nominal Outside Diameter: 1.01 INCHES ALL ENDS IN. 9 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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