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PartsTable / COMPONENT / NAS333 THRU 340
NAS333 THRU 340 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN, thread_length: 0.680 INCHES MINIMUM IN, screw_material: STEEL, fastener_length: 1.562 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-825-3937, 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
NAS333 THRU 340
NSN: 5305-00-825-3937
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
thread_length0.680 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length1.562 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE II
nominal_thread_diameter0.438 INCHES IN
screw_surface_treatmentCADMIUM
minimum_tensile_strength160000 POUNDS PER SQUARE INCH LBS
NSN5305-00-825-3937
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS333 THRU 340 · 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 DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE II
•
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS
•
SCREW SURFACE TREATMENT: CADMIUM
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD LENGTH: 0.680 INCHES MINIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
FASTENER LENGTH: 1.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLECROSS RECESS TYPE II
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
SCREW SURFACE TREATMENTCADMIUM
HEAD STYLEFLAT COUNTERSUNK
THREAD LENGTH0.680 INCHES MINIMUM IN
THREAD SERIES DESIGNATORUNF
FASTENER LENGTH1.562 INCHES NOMINAL IN
THREAD CLASS3A A
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
10788-1Interchangeable
interchangeable cross-reference
interchangeable
10788100Interchangeable
interchangeable cross-reference
interchangeable
91127Interchangeable
interchangeable cross-reference
interchangeable
10788Interchangeable
interchangeable cross-reference
interchangeable
G-107881Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS333 THRU 340?
NAS333 THRU 340 is a SCREW,MACHINE.
What parts can replace NAS333 THRU 340?
There are 5 known substitutes for NAS333 THRU 340: 10788-1, 10788100, 91127 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS333 THRU 340?
NAS333 THRU 340 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-825-3937. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026