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5979389-7 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5979389-7: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include thread_class: 3A A, thread_length: 2.469 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN, nominal_thread_diameter: 0.312 INCHES IN, thread_quantity_per_inch: 24, thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-253-9355, 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
5979389-7
NSN: 5305-01-253-9355
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
thread_class3A A
thread_length2.469 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5305-01-253-9355
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5979389-7 · 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
•
THREAD LENGTH: 2.469 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 24
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
THREAD LENGTH2.469 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 5979389-7?
5979389-7 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 5979389-7?
5979389-7 is cataloged in the U.S. Government catalog under NSN 5305-01-253-9355. 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.