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7040-02-512-5101 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7040-02-512-5101: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include grip_length: 0.562 INCHES NOMINAL IN, head_height: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.560 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_between_flats: 0.639 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-170-7757, 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
7040-02-512-5101
NSN: 5306-01-170-7757
FSC: 5306 — Bolts
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
grip_length0.562 INCHES NOMINAL IN
head_height0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
thread_class3A A
thread_length0.560 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.639 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ)
NSN5306-01-170-7757
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7040-02-512-5101 · 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: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.560 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.562 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.639 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
THREAD LENGTH0.560 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.562 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.639 INCHES NOMINAL IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ)
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 7040-02-512-5101?
7040-02-512-5101 is a BOLT,CLOSE TOLERANCE.
What is the NSN for 7040-02-512-5101?
7040-02-512-5101 is cataloged in the U.S. Government catalog under NSN 5306-01-170-7757. 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.