PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18272-1Fitting,subassembly

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4730-01-011-6227 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-011-6227 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-011-6227. Primary manufacturer part number: 18272-1.
Features
  • Fitting,subassembly — FSC 4730
  • General Characteristics Item Description: CONSIST OF 1 PACKING P/N 5017-53,1 BACK UP RING P/N 8212,1 FITTING P/N @31800,1 FLANGE P/N 31806,1 NUT P/N 6229-4,1 PACKING P/N 5017-53,1 TAIL PIECE P/N 6230-4,2 SPLIT RINGS P/N 31805,2 WASHERS P/N 31839T6-2,2 SCREWS P/N 6965
  • 3 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Fitting,subassembly, cataloged under National Stock Number 4730-01-011-6227, 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 Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN4730-01-011-6227
Primary Part Number18272-1
Item NameFitting,subassembly
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
General Characteristics Item DescriptionCONSIST OF 1 PACKING P/N 5017-53,1 BACK UP RING P/N 8212,1 FITTING P/N @31800,1 FLANGE P/N 31806,1 NUT P/N 6229-4,1 PACKING P/N 5017-53,1 TAIL PIECE P/N 6230-4,2 SPLIT RINGS P/N 31805,2 WASHERS P/N 31839T6-2,2 SCREWS P/N 6965
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-103-2969182721 INTERCHANGEABLE
O-Ring
Woodward, Inc. Div Fuel Systems and Controls
5331-00-166-0963M83248/1-006 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4140-00-185-157318272-1 INTERCHANGEABLE
Impeller,fan,axial
Rtx Corporation Div Pratt & Whitney
Cross-Reference Index
Part NumberManufacturer
P40-433 PIECE 16 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
18272 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
18272-1 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
5331-00-103-2969INTERCHANGEABLE
O-RING
182721
5331-00-166-0963INTERCHANGEABLE
O-RING
M83248/1-006
4140-00-185-1573INTERCHANGEABLE
IMPELLER,FAN,AXIAL
18272-1

Frequently Asked Questions

What is NSN 4730-01-011-6227?

NSN 4730-01-011-6227 is a Fitting,subassembly, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-011-6227?

NSN 4730-01-011-6227 has 3 cross-referenced part numbers: P40-433 PIECE 16 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 18272 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 18272-1 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 4730-01-011-6227?

There are 3 known substitutes for 4730-01-011-6227: 5331-00-103-2969, 5331-00-166-0963, 4140-00-185-1573. Verify interchangeability with system specifications before substitution.

What are the specifications of 18272-1?

Key specifications for 18272-1: General Characteristics Item Description: CONSIST OF 1 PACKING P/N 5017-53,1 BACK UP RING P/N 8212,1 FITTING P/N @31800,1 FLANGE P/N 31806,1 NUT P/N 6229-4,1 PACKING P/N 5017-53,1 TAIL PIECE P/N 6230-4,2 SPLIT RINGS P/N 31805,2 WASHERS P/N 31839T6-2,2 SCREWS P/N 6965. 1 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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