PartsTable
Technical Data Sheet
NAS1801-3-6 ✓ 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: HEXAGON, head_height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.295 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, screw_material: STEEL COMP E4340 OR STEEL COMP 8740, fastener_length: 0.359 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-078-2343, 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
NAS1801-3-6
NSN: 5305-01-078-2343
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class3A A
thread_length0.295 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
screw_materialSTEEL COMP E4340 OR STEEL COMP 8740
fastener_length0.359 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_between_flats0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-01-078-2343
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS1801-3-6 · 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
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
THREAD CLASS: 3A A
THREAD QUANTITY PER INCH: 32
HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
SPECIFICATION/STANDARD DATA: 80205-NAS1801 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FASTENER LENGTH: 0.359 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
SPECIFICATION/STANDARD DATA80205-NAS1801 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FASTENER LENGTH0.359 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10114974Interchangeable
interchangeable cross-reference
interchangeable
447544Interchangeable
interchangeable cross-reference
interchangeable
5305PL2057859Interchangeable
Same NIIN cross-reference
interchangeable
BACS12CB3-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1801-3-6?
NAS1801-3-6 is a SCREW,MACHINE.
What parts can replace NAS1801-3-6?
There are 4 known substitutes for NAS1801-3-6: 10114974, 447544, 5305PL2057859 and 1 more. Substitute compatibility should be verified for your specific system.
Is NAS1801-3-6 still available?
NAS1801-3-6 is currently cancelled.
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