NSN 4710-00-090-6399 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-090-6399. Manufacturer of record part number: 644730.
Also searched as4710-00-090-6399 ·
4710000906399 ·
NIIN 000906399 ·
00-090-6399 ·
FSC 4710 Pipe, Tube and Rigid Tubing · CAGE 05813 · 644730
End Connection Style: SWIVEL NUT, FLARED SINGLE END
Tube Outside Diameter: 0.250 INCHES NOMINAL IN
Thread Class: 3B SINGLE END
Identification
NSN: 4710-00-090-6399
NIIN: 000906399
FSC: 4710 — Pipe, Tube and Rigid Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 644730
Manufacturer: Kreisler Industrial Corporation
General Description
The Tube Assembly,metal, cataloged under National Stock Number 4710-00-090-6399, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kreisler Industrial Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4710-00-090-6399
Primary Part Number
644730
Item Name
Tube Assembly,metal
FSC / FSG
4710 / 47 — Pipe, Tube and Rigid Tubing
Manufacturer
Kreisler Industrial Corporation
Status
ACTIVE
Seat Angle in Deg
37.0 SINGLE END
Design Form
PREBENT
Mating End Quantity
2 SINGLE END
Nominal Thread Size
0.438 INCHES SINGLE END IN
End Connection Style
SWIVEL NUT, FLARED SINGLE END
Tube Outside Diameter
0.250 INCHES NOMINAL IN
Thread Class
3B SINGLE END
Material
STEEL CORROSION RESISTING SINGLE END
Thread Series Designator
UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END
End Connection Spec/std
MIL,MS9197,PART NO. MS9197-04,MIL,MS9493,PART NO. MS 9483-04
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 4710 — Pipe, Tube and Rigid Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4710-00-001-0080
TUBE ASSEMBLY,METAL
4710-00-001-0081
4710-00-001-0081 · Item name not on file
4710-00-001-0082
TUBE ASSEMBLY,METAL
4710-00-001-1229
TUBE ASSEMBLY,METAL
4710-00-001-1676
TUBE ASSEMBLY,METAL
4710-00-001-1686
TUBE ASSEMBLY,METAL
4710-00-001-1688
4710-00-001-1688 · Item name not on file
4710-00-001-1691
4710-00-001-1691 · Item name not on file
Frequently Asked Questions
What is NSN 4710-00-090-6399?
NSN 4710-00-090-6399 is a Tube Assembly,metal, manufactured by Kreisler Industrial Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
What part numbers are listed for NSN 4710-00-090-6399?
NSN 4710-00-090-6399 has 2 manufacturer part numbers on file: 644730 (Kreisler Industrial Corporation), 644730 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 644730?
Key specifications for 644730: Seat Angle in Deg: 37.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Nominal Thread Size: 0.438 INCHES SINGLE END IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4710-00-090-6399 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.