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98712 — REACTOR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

98712: REACTOR.

The REACTOR is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, body_length: 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.219 INCHES NOMINAL IN, rating_method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT ALL WINDING, thread_length: 0.219 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-550-3208, 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
98712
NSN: 5305-00-550-3208
NIINs: 005503208, 011323099
FSC: 5305 — Screws
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
body_length0.500 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.219 INCHES NOMINAL IN
rating_methodWINDING TURNS AND ELECTRICAL SINGLE COMPONENT ALL WINDING
thread_length0.219 INCHES MINIMUM IN
turn_quantity18 SINGLE COMPONENT ALL WINDING
inclosure_typeFULLY INCLOSED
screw_materialSTEEL
fastener_length0.250 INCHES NOMINAL IN
inductance_typeFIXED
mounting_methodTERMINAL SINGLE GROUP
NSN5305-00-550-3208
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 98712 · 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
•
SCREW SURFACE TREATMENT: NICKEL
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
THREAD LENGTH: 0.219 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTNICKEL
FASTENER LENGTH0.250 INCHES NOMINAL IN
THREAD LENGTH0.219 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE80.0 DEGREES NOMINAL
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 1
89712Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 98712?
98712 is a REACTOR.
What parts can replace 98712?
There is 1 known substitute for 98712: 89712. Substitute compatibility should be verified for your specific system.
What is the NSN for 98712?
98712 is cataloged in the U.S. Government catalog under NSN 5305-00-550-3208. 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.