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STF0198 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

STF0198: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.625 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.995 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-006-5194, 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
STF0198
NSN: 5306-00-006-5194
FSC: 5306 — Bolts
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON W/HOLE
head_height0.625 INCHES NOMINAL IN
thread_class3A A
thread_length0.995 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length3.805 INCHES MINIMUM AND 3.835 INCHES MAXIMUM IN
shoulder_length2.555 INCHES MINIMUM AND 2.595 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.598 INCHES MINIMUM AND 0.600 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.5005 INCHES MINIMUM AND 0.5035 INCHES MAXIMUM IN
nominal_thread_diameter0.562 INCHES IN
NSN5306-00-006-5194
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: STF0198 · 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
•
EXTENDED WASHER THICKNESS: 0.317 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.625 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.805 INCHES MINIMUM AND 3.835 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 2.555 INCHES MINIMUM AND 2.595 INCHES MAXIMUM FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 0.923 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.598 INCHES MINIMUM AND 0.600 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.995 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.317 INCHES NOMINAL IN
HEAD HEIGHT0.625 INCHES NOMINAL IN
FASTENER LENGTH3.805 INCHES MINIMUM AND 3.835 INCHES MAXIMUM IN
SHOULDER LENGTH2.555 INCHES MINIMUM AND 2.595 INCHES MAXIMUM FIRST SHOULDER IN
EXTENDED WASHER DIAMETER0.923 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN
SHOULDER DIAMETER0.598 INCHES MINIMUM AND 0.600 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.995 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.562 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 6
14-11108-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
IT-61Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
14-11110-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
HT-19Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
10Y201Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
14-11110Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is STF0198?
STF0198 is a BOLT,SHOULDER.
What parts can replace STF0198?
There are 6 known substitutes for STF0198: 14-11108-1, IT-61, 14-11110-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STF0198?
STF0198 is cataloged in the U.S. Government catalog under NSN 5306-00-006-5194. This indicates validated use in U.S. government and defense supply chains.
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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.