PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-312Tube Assembly,metal

Eaton Hydraulics Asc · NSN 4710-00-208-7188 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-208-7188 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-208-7188. Primary manufacturer part number: S-312.
Features
  • Tube Assembly,metal — FSC 4710
  • Tube Outside Diameter: 0.188 INCHES NOMINAL IN
  • Nominal Thread Size: 0.375 INCHES SINGLE END IN
  • Material: STEEL SINGLE END
  • Design Form: STRAIGHT
  • Seat Angle in Deg: 45.0 SINGLE END
  • End Connection Style: SWIVEL NUT, INVERTED FLARE SINGLE END
  • Thread Series Designator: UNF SINGLE END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Single End construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-208-7188, 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 Eaton Hydraulics Asc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-208-7188
Primary Part NumberS-312
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerEaton Hydraulics Asc
StatusACTIVE
Tube Outside Diameter0.188 INCHES NOMINAL IN
Nominal Thread Size0.375 INCHES SINGLE END IN
MaterialSTEEL SINGLE END
Design FormSTRAIGHT
Seat Angle in Deg45.0 SINGLE END
End Connection StyleSWIVEL NUT, INVERTED FLARE SINGLE END
Thread Series DesignatorUNF SINGLE END
MaterialSTEEL TUBING
Thread Class2A SINGLE END A
Wall Thickness0.028 INCHES NOMINAL IN
Mating End Quantity2 SINGLE END
Thread DirectionRIGHT-HAND SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-00-147-4485537050-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Dba Raytheon
6625-00-498-3375DC53 INTERCHANGEABLE
Meter,modulation
General Electric Company
3120-00-661-4291S312 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
3040-00-787-725013029362 INTERCHANGEABLE
Shaft,straight
Us Army Aviation and Missile Command
6625-00-833-6043 INTERCHANGEABLE
Meter,arbitrary Scale
5962-00-874-5973 INTERCHANGEABLE
Microcircuit,digital
3110-00-903-218212265597-1 INTERCHANGEABLE
Bearing,ball,annular
Rbc Aircraft Products, Inc.
5930-01-073-8813S31-2 INTERCHANGEABLE
Switch Assembly
Cae Usa Inc.
6680-01-125-4572CMS-8850 INTERCHANGEABLE
Rotor,flow Sight Indicator
Clark-Reliance Llc Dba Jacoby-Tarbox
5998-01-296-8389 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
S-312 Dana Corp Weatherhead Div (USA)
312BL Imperial (USA)
S-312 PRIMARY Eaton Hydraulics Asc (USA)
Related Parts
5962-00-147-4485INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
537050-1
6625-00-498-3375INTERCHANGEABLE
METER,MODULATION
DC53
3120-00-661-4291INTERCHANGEABLE
BEARING,SLEEVE
S312
3040-00-787-7250INTERCHANGEABLE
SHAFT,STRAIGHT
13029362
6625-00-833-6043INTERCHANGEABLE
METER,ARBITRARY SCALE
5962-00-874-5973INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3110-00-903-2182INTERCHANGEABLE
BEARING,BALL,ANNULAR
12265597-1
5930-01-073-8813INTERCHANGEABLE
SWITCH ASSEMBLY
S31-2
6680-01-125-4572INTERCHANGEABLE
ROTOR,FLOW SIGHT INDICATOR
CMS-8850
5998-01-296-8389INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4235-01-415-2077INTERCHANGEABLE
SOCK,SPILL CONTAINMENT,HAZARDOUS
3805-01-596-2086INTERCHANGEABLE
EXCAVATOR,UTILITY,CRAWLER MOUNTE
312BL

Frequently Asked Questions

What is NSN 4710-00-208-7188?

NSN 4710-00-208-7188 is a Tube Assembly,metal, manufactured by Eaton Hydraulics Asc, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-208-7188?

NSN 4710-00-208-7188 has 3 cross-referenced part numbers: S-312 (Dana Corp Weatherhead Div), 312BL (Imperial), S-312 (Eaton Hydraulics Asc).

What NSN replaces 4710-00-208-7188?

There are 12 known substitutes for 4710-00-208-7188: 5962-00-147-4485, 6625-00-498-3375, 3120-00-661-4291 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-312?

Key specifications for S-312: Tube Outside Diameter: 0.188 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES SINGLE END IN; Material: STEEL SINGLE END; Design Form: STRAIGHT. 14 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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