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516-6293386-42 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

516-6293386-42: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL, head_style: FLAT CHAMFER, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 1.917 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-296-2063, 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
516-6293386-42
NSN: 5305-01-296-2063
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
head_styleFLAT CHAMFER
head_height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length1.917 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
fastener_length2.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.156 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
NSN5305-01-296-2063
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 516-6293386-42 · 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: 0.156 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.917 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
THREAD LENGTH1.917 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA6 TYPE
INTERNAL DRIVE STYLEHEXAGON
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
FF-S-86Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 516-6293386-42?
516-6293386-42 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 516-6293386-42?
There is 1 known substitute for 516-6293386-42: FF-S-86. Substitute compatibility should be verified for your specific system.
What is the NSN for 516-6293386-42?
516-6293386-42 is cataloged in the U.S. Government catalog under NSN 5305-01-296-2063. 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.