PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6990Plug,pipe

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 4730-00-964-1781 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-964-1781 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-964-1781. Primary manufacturer part number: 6990.
Features
  • Plug,pipe — FSC 4730
  • Nominal Thread Size: 1.000 INCHES EXTERNAL IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Type: SOLID
  • Drive End Style: RECESSED HEXAGON
  • Connection Style: PLAIN
  • Head Type: SOLID
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-00-964-1781, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-964-1781
Primary Part Number6990
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
Nominal Thread Size1.000 INCHES EXTERNAL IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body TypeSOLID
Drive End StyleRECESSED HEXAGON
Connection StylePLAIN
Head TypeSOLID
MaterialALUMINUM ALLOY 2024 OVERALL
Nominal Pipe Size for Which Designed1.000 INCHES IN
Thread Series DesignatorNPT EXTERNAL
Thread DirectionRIGHT-HAND EXTERNAL
Nondefinitive Spec/std Data3 TYPE AND A STYLE
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5995-00-121-633411501A INTERCHANGEABLE
Cable Assembly,radio Frequency
Keysight Technologies Inc
4730-00-188-34963152-3-1D INTERCHANGEABLE
Plug,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5305-00-286-38056990 INTERCHANGEABLE
Screw,machine
Lucent Technologies Inc Corporate Headquarters
2530-00-813-7620J0115963 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Chrysler Corp Engine and Components Sales Diversified Products Div
3439-01-051-0957 INTERCHANGEABLE
Holder,soldering Iron
9390-01-090-9166 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
3950-01-482-7471A6990 INTERCHANGEABLE
Roller
Thern Inc
4820-01-590-55656990 INTERCHANGEABLE
Disk,rupturable
Mariner Sales Inc Dba Marine East
Cross-Reference Index
Part NumberManufacturer
6990 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
MS49005-11 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A6990 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
WW-P-471ACAAAF Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-P-471 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5995-00-121-6334INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
11501A
4730-00-188-3496INTERCHANGEABLE
PLUG,PIPE
3152-3-1D
5305-00-286-3805INTERCHANGEABLE
SCREW,MACHINE
6990
2530-00-813-7620INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
J0115963
3439-01-051-0957INTERCHANGEABLE
HOLDER,SOLDERING IRON
9390-01-090-9166INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
3950-01-482-7471INTERCHANGEABLE
ROLLER
A6990
4820-01-590-5565INTERCHANGEABLE
DISK,RUPTURABLE
6990

Frequently Asked Questions

What is NSN 4730-00-964-1781?

NSN 4730-00-964-1781 is a Plug,pipe, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-964-1781?

NSN 4730-00-964-1781 has 5 cross-referenced part numbers: 6990 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), MS49005-11 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A6990 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), WW-P-471ACAAAF (Federal Specifications Promulgated by General Services Administration Washington DC), WW-P-471 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-964-1781?

There are 8 known substitutes for 4730-00-964-1781: 5995-00-121-6334, 4730-00-188-3496, 5305-00-286-3805 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6990?

Key specifications for 6990: Nominal Thread Size: 1.000 INCHES EXTERNAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Body Type: SOLID. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-964-1781 still in active supply?

NSN 4730-00-964-1781 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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