PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85588Coupling,pipe

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 4730-00-448-6990 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-448-6990 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-448-6990. Primary manufacturer part number: 85588.
Features
  • Coupling,pipe — FSC 4730
  • Style Designator: PLAIN
  • Nominal Overall Length: 1.500 INCHES IN
  • Material Document and Classification: AMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN
  • 2 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-448-6990, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-448-6990
Primary Part Number85588
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Style DesignatorPLAIN
Nominal Overall Length1.500 INCHES IN
Material Document and ClassificationAMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Nominal Pipe Size Accommodated0.750 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-528-372331-2-15-53 INTERCHANGEABLE
Washer,split
Dana Corp Spicer Transmission Div
Cross-Reference Index
Part NumberManufacturer
85588 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
85588 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5310-00-528-3723INTERCHANGEABLE
WASHER,SPLIT
31-2-15-53

Frequently Asked Questions

What is NSN 4730-00-448-6990?

NSN 4730-00-448-6990 is a Coupling,pipe, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-448-6990?

NSN 4730-00-448-6990 has 2 cross-referenced part numbers: 85588 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 85588 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4730-00-448-6990?

There is 1 known substitute for 4730-00-448-6990: 5310-00-528-3723. Verify interchangeability with system specifications before substitution.

What are the specifications of 85588?

Key specifications for 85588: Style Designator: PLAIN; Nominal Overall Length: 1.500 INCHES IN; Material Document and Classification: AMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL. 5 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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