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WC1157-002 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

WC1157-002: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include head_height: 0.128 INCHES MINIMUM AND 0.128 INCHES MINIMUM AND 0.148 INCHES MAXIMUM0.148 INCHES MAXIMUM IN, thread_class: 3A3A, head_diameter: 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN, thread_length: 0.196 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN, fastener_length: 0.615 INCHES MINIMUM AND 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM0.635 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-485-0042, 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
WC1157-002
NSN: 5306-00-485-0042
FSC: 5306 — Bolts
CAGE: 70318 — ALLMETAL SCREW PRODUCTS CORP (USA)
SPECIFICATIONS
head_height0.128 INCHES MINIMUM AND 0.128 INCHES MINIMUM AND 0.148 INCHES MAXIMUM0.148 INCHES MAXIMUM IN
thread_class3A3A
head_diameter0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
thread_length0.196 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
fastener_length0.615 INCHES MINIMUM AND 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM0.635 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.093 INCHES MINIMUM AND 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM0.098 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.138 INCHES0.138 INCHES IN
first_diameter_from_head0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
thread_quantity_per_inch3232
NSN5306-00-485-0042
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WC1157-002 · 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: 0.093 INCHES MINIMUM AND 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM0.098 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.128 INCHES MINIMUM AND 0.128 INCHES MINIMUM AND 0.148 INCHES MAXIMUM0.148 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.615 INCHES MINIMUM AND 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM0.635 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.196 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES0.138 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.093 INCHES MINIMUM AND 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM0.098 INCHES MAXIMUM IN
HEAD HEIGHT0.128 INCHES MINIMUM AND 0.128 INCHES MINIMUM AND 0.148 INCHES MAXIMUM0.148 INCHES MAXIMUM IN
FASTENER LENGTH0.615 INCHES MINIMUM AND 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM0.635 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.196 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
FIRST DIAMETER FROM HEAD0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES0.138 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.399 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
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
112-0990-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 WC1157-002?
WC1157-002 is a BOLT,INTERNAL WRENCHING.
What parts can replace WC1157-002?
There is 1 known substitute for WC1157-002: 112-0990-002. Substitute compatibility should be verified for your specific system.
What is the NSN for WC1157-002?
WC1157-002 is cataloged in the U.S. Government catalog under NSN 5306-00-485-0042. 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.