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S170-C — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S170-C: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 1.000 INCHES MINIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-206-1369, 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
S170-C
NSN: 5306-00-206-1369
FSC: 5306 — Bolts
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.250 INCHES NOMINAL IN
thread_class3A A
head_diameter0.375 INCHES NOMINAL IN
thread_length1.000 INCHES MINIMUM IN
fastener_length1.250 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.188 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength170000 POUNDS PER SQUARE INCH LBS
NSN5306-00-206-1369
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S170-C · 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
•
WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 170000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.188 INCHES NOMINAL IN
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MINIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 1
5306002061369Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S170-C?
S170-C is a BOLT,INTERNAL WRENCHING.
What parts can replace S170-C?
There is 1 known substitute for S170-C: 5306002061369. Substitute compatibility should be verified for your specific system.
What is the NSN for S170-C?
S170-C is cataloged in the U.S. Government catalog under NSN 5306-00-206-1369. 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.