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A-209 — ARRESTER,ELECTRICAL SURGE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A-209: ARRESTER,ELECTRICAL SURGE.

The ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include diameter: 2.000 INCHES NOMINAL IN, material: STEEL, construction: SEAMLESS, usage_design: INDOOR, arrester_type: AIR GAP, terminal_type: TURRET. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-212-7241, 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
MRO→ MRO_GENERAL→ A-209
NSN: 4710-00-212-7241
NIINs: 002127241, 010196270, 010649357, 013789252, 015254064
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
diameter2.000 INCHES NOMINAL IN
materialSTEEL
constructionSEAMLESS
usage_designINDOOR
arrester_typeAIR GAP
terminal_typeTURRET
heat_treatmentANNEALED
overall_length1.840 INCHES NOMINAL IN
wall_thickness0.272 INCHES NOMINAL IN
first_end_stylePLAIN
mounting_methodSTUD(S)
overall_diameter0.625 INCHES NOMINAL IN
NSN4710-00-212-7241
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A-209 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST END STYLE: PLAIN
•
HEAT TREATMENT: ANNEALED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A209, GRADE T1A ASSN STD SINGLE MATERIAL RESPONSE
•
DIAMETER: 2.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
WALL THICKNESS: 0.272 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
SPECIFICATION/STANDARD DATA: 81346-ASTMA2 09 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS
FIRST END STYLEPLAIN
HEAT TREATMENTANNEALED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A209, GRADE T1A ASSN STD SINGLE MATERIAL RESPONSE
DIAMETER2.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
WALL THICKNESS0.272 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIFICATION/STANDARD DATA81346-ASTMA2 09 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALSTEEL
CONSTRUCTIONSEAMLESS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-209?
A-209 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for A-209?
A-209 is cataloged in the U.S. Government catalog under NSN 4710-00-212-7241. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.