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6307539 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6307539: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE, head_style: HEADLESS (SETSCREW), point_style: HALF DOG, thread_class: 3A A, thread_length: 0.810 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN, fastener_length: 0.855 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-280-7988, 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
6307539
NSN: 5305-01-280-7988
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
head_styleHEADLESS (SETSCREW)
point_styleHALF DOG
thread_class3A A
thread_length0.810 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
fastener_length0.855 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
locking_featureSTRIP THREADS
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE FASTENER
width_across_flats0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.190 INCHES IN
NSN5305-01-280-7988
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6307539 · 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: 0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.855 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
•
THREAD LENGTH: 0.810 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: HALF DOG
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN
FASTENER LENGTH0.855 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
THREAD LENGTH0.810 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEHALF DOG
LOCKING FEATURESTRIP THREADS
SURFACE TREATMENTPASSIVATE FASTENER
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 1
H75C124-014ESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6307539?
6307539 is a SETSCREW.
What parts can replace 6307539?
There is 1 known substitute for 6307539: H75C124-014E. Substitute compatibility should be verified for your specific system.
What is the NSN for 6307539?
6307539 is cataloged in the U.S. Government catalog under NSN 5305-01-280-7988. 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.