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2156898 — RELAY,THERMAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2156898: RELAY,THERMAL.

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_width: 3.750 INCHES NOMINAL IN, overall_height: 3.375 INCHES NOMINAL IN, overall_length: 5.875 INCHES NOMINAL IN, heater_voltage_rating_in_volts: 440.0, mounting_facility_type_and_quantity: 3 UNTHREADED HOLE(S), contact_maximum_current_rating_in_amps: 15.0 AC. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-523-1627, 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
2156898
NSN: 5306-00-523-1627
NIINs: 005231627, 008976474
FSC: 5306 — Bolts
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
overall_width3.750 INCHES NOMINAL IN
overall_height3.375 INCHES NOMINAL IN
overall_length5.875 INCHES NOMINAL IN
special_featuresMTG HOLES 0.201 IN. DIA IN AN ISOSCELES TRIANGLE CONFIGURATION; BASE: 2.000 INCHES NOM; ALTITUDE: 3.250 IN. NOM; CONTACT ARRANGEMENT: 3PST DOUBLE BREAK IN
mounting_facility_type_and_quantity3 UNTHREADED HOLE(S)
contact_maximum_current_rating_in_amps15.0 AC
NSN5306-00-523-1627
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2156898 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
X824Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2156898?
2156898 is a RELAY,THERMAL.
What parts can replace 2156898?
There is 1 known substitute for 2156898: X824. Substitute compatibility should be verified for your specific system.
What is the NSN for 2156898?
2156898 is cataloged in the U.S. Government catalog under NSN 5306-00-523-1627. 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.