PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25522Tube Assembly,metal

Williams International Co., L.l.c. · NSN 4710-01-012-3529 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-01-012-3529 — this item is cataloged by the U.S. Government under National Stock Number 4710-01-012-3529. Primary manufacturer part number: 25522.
Features
  • Tube Assembly,metal — FSC 4710
  • Wall Thickness: 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
  • Seat Angle in Deg: 37.0 SINGLE END
  • Material Document and Classification: TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE SINGLE END
  • Material Document and Classification: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 321 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 347 ASSN STD SINGLE MATERIAL RESPONSE TUBING
  • Thread Series Designator: UNF SINGLE END
  • Material: STEEL COMP 304 OR STEEL COMP 321 OR STEEL COMP 347 TUBING
  • Material: STEEL COMP 304 SINGLE END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 or Steel Comp 321 or Steel Comp 347 Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-01-012-3529, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 15 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-01-012-3529
Primary Part Number25522
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Wall Thickness0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
Seat Angle in Deg37.0 SINGLE END
Material Document and ClassificationTYPE 304 ASSN STD SINGLE MATERIAL RESPONSE SINGLE END
Material Document and ClassificationAISI 304 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 321 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 347 ASSN STD SINGLE MATERIAL RESPONSE TUBING
Thread Series DesignatorUNF SINGLE END
MaterialSTEEL COMP 304 OR STEEL COMP 321 OR STEEL COMP 347 TUBING
MaterialSTEEL COMP 304 SINGLE END
End Connection Spec/stdMIL,MS20819,PART N0. MS20819-8J AND AN,AN818,PART NO.AN818-8J
Design FormPREBENT
Nominal Thread Size0.750 INCHES SINGLE END IN
Tube Outside Diameter0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
End Connection StyleSWIVEL NUT, FLARED SINGLE END
Thread Class3B SINGLE END
Mating End Quantity2 SINGLE END
Thread DirectionRIGHT-HAND SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-054625522 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
6830-00-192-9067 INTERCHANGEABLE
Nitrogen
9905-00-405-197225522 INTERCHANGEABLE
Band,marker
Hydro-Aire Aerospace Corp
3020-00-446-8380255-22 INTERCHANGEABLE
Gear,spur
Southern Gear & Machine Inc
5310-01-078-780425522R1 INTERCHANGEABLE
Nut,plain,hexagon
Nd Defense Llc
4940-01-104-127010341 INTERCHANGEABLE
Seat
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4720-01-128-458625522 INTERCHANGEABLE
Hose Assembly,nonmetallic
Stewart & Stevenson Power Products Llc
5990-01-167-7043 INTERCHANGEABLE
Resolver,electrical,linear
4820-01-306-615125522 INTERCHANGEABLE
Seat,valve
Circor Aerospace, Inc. Dba Circor Aerospace Inc
4320-01-323-8247 INTERCHANGEABLE
Piston,hydraulic Motor-Pump
Cross-Reference Index
Part NumberManufacturer
25522 PRIMARY Williams International Co., L.l.c. (USA)
25522 Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA)
Related Parts
3110-00-100-0546INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
25522
6830-00-192-9067INTERCHANGEABLE
NITROGEN
9905-00-405-1972INTERCHANGEABLE
BAND,MARKER
25522
3020-00-446-8380INTERCHANGEABLE
GEAR,SPUR
255-22
5310-01-078-7804INTERCHANGEABLE
NUT,PLAIN,HEXAGON
25522R1
4940-01-104-1270INTERCHANGEABLE
SEAT
10341
4720-01-128-4586INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
25522
5990-01-167-7043INTERCHANGEABLE
RESOLVER,ELECTRICAL,LINEAR
4820-01-306-6151INTERCHANGEABLE
SEAT,VALVE
25522
4320-01-323-8247INTERCHANGEABLE
PISTON,HYDRAULIC MOTOR-PUMP

Frequently Asked Questions

What is NSN 4710-01-012-3529?

NSN 4710-01-012-3529 is a Tube Assembly,metal, manufactured by Williams International Co., L.l.c., classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-01-012-3529?

NSN 4710-01-012-3529 has 2 cross-referenced part numbers: 25522 (Williams International Co., L.l.c.), 25522 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders).

What NSN replaces 4710-01-012-3529?

There are 10 known substitutes for 4710-01-012-3529: 3110-00-100-0546, 6830-00-192-9067, 9905-00-405-1972 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25522?

Key specifications for 25522: Wall Thickness: 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN; Seat Angle in Deg: 37.0 SINGLE END; Material Document and Classification: TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE SINGLE END; Material Document and Classification: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 321 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 347 ASSN STD SINGLE MATERIAL RESPONSE TUBING. 15 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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