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W21825 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

W21825: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.250 INCHES NOMINAL SECOND END IN, seat_angle: 20.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-078-4317, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
W21825
NSN: 4730-01-078-4317
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length1.250 INCHES NOMINAL SECOND END IN
seat_angle20.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.500 INCHES SECOND END IN
thread_quantity_per_inch18 FIRST END
thread_series_designatorUNS FIRST END
nondefinitive_spec/std_data2A FIGURE A
specification/standard_data81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-01-078-4317
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W21825 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FURNISHED ITEMS AND QUANTITY: 1 FERRULE SLEEVE AND 1 LONG COUPLING NUT
•
FLOW ANGLE: 90.0 DEGREES
•
CONNECTION STYLE: FLARELESS (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
•
LEG LENGTH: 1.250 INCHES NOMINAL SECOND END IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 FERRULE SLEEVE AND 1 LONG COUPLING NUT
FLOW ANGLE90.0 DEGREES
CONNECTION STYLEFLARELESS (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
LEG LENGTH1.250 INCHES NOMINAL SECOND END IN
LEG LENGTH1.100 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 8
HO-169-10X8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10-8 120202BAReference document
Same NSN cross-reference
Reference document — Design control — primary reference
221825NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
469F10X08Reference document
Same NSN cross-reference
Reference document — Secondary reference
J246Reference document
Same NSN cross-reference
Reference document — Secondary reference
221825Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W21825?
W21825 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace W21825?
There are 8 known substitutes for W21825: HO-169-10X8, 10-8 120202BA, 221825N and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W21825?
W21825 is cataloged in the U.S. Government catalog under NSN 4730-01-078-4317. This indicates validated use in U.S. government and defense supply chains.
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