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3238816-1 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3238816-1: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-12 OVERALL, head_style: FLAT FILLISTER, head_height: 0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-448-7016, 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
3238816-1
NSN: 5306-01-448-7016
FSC: 5306 — Bolts
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL COMP XM-12 OVERALL
head_styleFLAT FILLISTER
head_height0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
fastener_length5.290 INCHES MINIMUM AND 5.310 INCHES MAXIMUM IN
special_featuresREQUESTED NAME-BOLT,PISTON ATTACHING:SHANK HAS THREE HOLES DIA 0.127/0.131 SPACED FROM UNDER HEAD 2.18,2.68, 3.18 INCHES IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5306-01-448-7016
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3238816-1 · 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: 0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.290 INCHES MINIMUM AND 5.310 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: FLAT FILLISTER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
HEAD HEIGHT0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
FASTENER LENGTH5.290 INCHES MINIMUM AND 5.310 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT FILLISTER
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESREQUESTED NAME-BOLT,PISTON ATTACHING:SHANK HAS THREE HOLES DIA 0.127/0.131 SPACED FROM UNDER HEAD 2.18,2.68, 3.18 INCHES IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3238816-1?
3238816-1 is a BOLT,INTERNAL WRENCHING.
What is the NSN for 3238816-1?
3238816-1 is cataloged in the U.S. Government catalog under NSN 5306-01-448-7016. 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.