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N198 — KEY,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

N198: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, thread_length: 0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, screw_material: COPPER ALLOY, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-276-8524, 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
N198
NSN: 5305-00-276-8524
NIINs: 002768524, 009691446, 011988418
FSC: 5305 — Screws
CAGE: 07829 — BODINE ELECTRIC COMPANY (USA)
SPECIFICATIONS
head_styleOVAL COUNTERSUNK
thread_class2A A
head_diameter0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
thread_length0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationVIC MFG CO. MODEL 22CO DRY CLEANING SYSTEM
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentNICKEL
NSN5305-00-276-8524
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: N198 · 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: 0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: OVAL COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTNICKEL
FASTENER LENGTH0.250 INCHES NOMINAL IN
THREAD LENGTH0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
BN198Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N198?
N198 is a KEY,MACHINE.
What parts can replace N198?
There is 1 known substitute for N198: BN198. Substitute compatibility should be verified for your specific system.
What is the NSN for N198?
N198 is cataloged in the U.S. Government catalog under NSN 5305-00-276-8524. 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.