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Technical Data Sheet
PartsTable / MRO / 214904
214904 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 BALL, duty_type: CONTINUOUS, hole_type: DRILLED, bore_shape: STRAIGHT, head_style: HEXAGON, body_length: 2.529 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-021-4904, 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→ 214904
NSN: 5306-00-021-4904
FSC: 5306
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 BALL
duty_typeCONTINUOUS
hole_typeDRILLED
bore_shapeSTRAIGHT
head_styleHEXAGON
body_length2.529 INCHES NOMINAL IN
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2A A
body_diameter0.660 INCHES MAXIMUM IN
bore_diameter8.00 MILLIMETERS NOMINAL MM
coil_quantity1
NSN5306-00-021-4904
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 214904 · 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
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
HOLE QUANTITY: 3
•
THREAD CLASS: 2A A
•
HEAD HEIGHT: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.062 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HOLE QUANTITY3
THREAD CLASS2A A
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
FASTENER LENGTH1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
HOLE DIAMETER0.062 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.875 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
FEATURES PROVIDEDFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
10105980-4Interchangeable
interchangeable cross-reference
interchangeable
21490-4Interchangeable
interchangeable cross-reference
interchangeable
Z99038LR1CJInterchangeable
interchangeable cross-reference
interchangeable
01-010998-038Interchangeable
interchangeable cross-reference
interchangeable
214903Interchangeable
interchangeable cross-reference
interchangeable
84D-903Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 214904?
214904 is a RELAY,ELECTROMAGNETIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 214904?
There are 6 known substitutes for 214904: 10105980-4, 21490-4, Z99038LR1CJ and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 214904?
214904 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-021-4904. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026