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NAS1143C6 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NAS1143C6: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.361 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN, screw_material: IRON ALLOY 660. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-889-2883, 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
NAS1143C6
NSN: 5305-00-889-2883
FSC: 5305 — Screws
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)
SPECIFICATIONS
head_styleROUND
head_height0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.361 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
screw_materialIRON ALLOY 660
fastener_length0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
hardness_rating248.0 BRINELL STANDARD MINIMUM AND 321.0 BRINELL STANDARD MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleTORQUE SET
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-00-889-2883
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS1143C6 · 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: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
•
HARDNESS RATING: 248.0 BRINELL STANDARD MINIMUM AND 321.0 BRINELL STANDARD MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROUND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
HARDNESS RATING248.0 BRINELL STANDARD MINIMUM AND 321.0 BRINELL STANDARD MAXIMUM
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALIRON ALLOY 660
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1143C6?
NAS1143C6 is a SCREW,MACHINE.
What is the NSN for NAS1143C6?
NAS1143C6 is cataloged in the U.S. Government catalog under NSN 5305-00-889-2883. This indicates validated use in U.S. government and defense supply chains.
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