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5361663 ITEM 50 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5361663 ITEM 50: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL, head_style: HEXAGON, head_height: 0.440 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.060 INCHES NOMINAL IN, fastener_length: 1.060 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-377-3322, 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
5361663 ITEM 50
NSN: 5305-01-377-3322
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
head_styleHEXAGON
head_height0.440 INCHES NOMINAL IN
thread_class3A A
thread_length1.060 INCHES NOMINAL IN
fastener_length1.060 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats1.250 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationQQ-N-281,CL A OR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5305-01-377-3322
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5361663 ITEM 50 · 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: 0.440 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.060 INCHES NOMINAL IN
•
THREAD LENGTH: 1.060 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CL A OR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.440 INCHES NOMINAL IN
FASTENER LENGTH1.060 INCHES NOMINAL IN
THREAD LENGTH1.060 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A OR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.250 INCHES NOMINAL IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH13
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

No substitute or cross-reference records for this part.

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 5361663 ITEM 50?
5361663 ITEM 50 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 5361663 ITEM 50?
5361663 ITEM 50 is cataloged in the U.S. Government catalog under NSN 5305-01-377-3322. 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.