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7F5164 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7F5164: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OVERALL, head_height: 0.312 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.437 INCHES NOMINAL IN, thread_length: 0.889 INCHES MINIMUM IN, fastener_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-352-8399, 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
7F5164
NSN: 5306-00-352-8399
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OVERALL
head_height0.312 INCHES NOMINAL IN
thread_class3A A
head_diameter0.437 INCHES NOMINAL IN
thread_length0.889 INCHES MINIMUM IN
fastener_length1.000 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.218 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.312 INCHES IN
minimum_tensile_strength180000 POUNDS PER SQUARE INCH LBS
NSN5306-00-352-8399
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7F5164 · 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: 0.218 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.312 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.889 INCHES MINIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.218 INCHES NOMINAL IN
HEAD HEIGHT0.312 INCHES NOMINAL IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH0.889 INCHES MINIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 2
C11958Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C111958Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7F5164?
7F5164 is a BOLT,INTERNAL WRENCHING.
What parts can replace 7F5164?
There are 2 known substitutes for 7F5164: C11958, C111958. Substitute compatibility should be verified for your specific system.
What is the NSN for 7F5164?
7F5164 is cataloged in the U.S. Government catalog under NSN 5306-00-352-8399. 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.