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C238557 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C238557: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_height: 0.200 INCHES NOMINAL IN, thread_length: 0.280 INCHES NOMINAL IN, fastener_length: 1.460 INCHES NOMINAL IN, shoulder_length: 0.280 INCHES NOMINAL IN, style_designator: CONCENTRIC HOLE UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-345-8775, 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
C238557
NSN: 5306-00-345-8775
FSC: 5306 — Bolts
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_height0.200 INCHES NOMINAL IN
thread_length0.280 INCHES NOMINAL IN
fastener_length1.460 INCHES NOMINAL IN
shoulder_length0.280 INCHES NOMINAL IN
style_designatorCONCENTRIC HOLE UNTHREADED
thread_directionRIGHT-HAND
shoulder_diameter0.161 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
width_between_flats0.620 INCHES NOMINAL IN
nominal_thread_diameter0.141 INCHES IN
concentric_hole_diameter0.010 INCHES NOMINAL IN
NSN5306-00-345-8775
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C238557 · 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
•
HEAD HEIGHT: 0.200 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.460 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: B-86 FSCM 06848 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.280 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCENTRIC HOLE UNTHREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.141 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.200 INCHES NOMINAL IN
FASTENER LENGTH1.460 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONB-86 FSCM 06848 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.280 INCHES NOMINAL IN
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.141 INCHES IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.620 INCHES NOMINAL IN
SHOULDER DIAMETER0.161 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

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 C238557?
C238557 is a BOLT,INTERNALLY RELIEVED BODY.
What is the NSN for C238557?
C238557 is cataloged in the U.S. Government catalog under NSN 5306-00-345-8775. This indicates validated use in U.S. government and defense supply chains.
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