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NAS333CA7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NAS333CA7: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL, head_style: COUNTERSUNK CYLINDRICAL CONVEX, grip_length: 0.500 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN, thread_length: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-651-9671, 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
NAS333CA7
NSN: 5305-01-651-9671
FSC: 5305 — Screws
CAGE: 64059 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL
head_styleCOUNTERSUNK CYLINDRICAL CONVEX
grip_length0.500 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN
thread_length0.406 INCHES NOMINAL IN
fastener_length0.891 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
surface_treatmentCADMIUM OVERALL
width_across_flats0.1260 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM IN
head_major_diameter0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
NSN5305-01-651-9671
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS333CA7 · 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: 0.1260 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.891 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.406 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6382 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6349 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6484 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6327 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.1900 INCHES IN
•
HEAD STYLE: COUNTERSUNK CYLINDRICAL CONVEX
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.1260 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM IN
FASTENER LENGTH0.891 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.406 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6382 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6349 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6484 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6327 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.1900 INCHES IN
HEAD STYLECOUNTERSUNK CYLINDRICAL CONVEX
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.500 INCHES NOMINAL IN
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN
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 NAS333CA7?
NAS333CA7 is a SCREW,CLOSE TOLERANCE.
What is the NSN for NAS333CA7?
NAS333CA7 is cataloged in the U.S. Government catalog under NSN 5305-01-651-9671. 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.