PartsTable
Technical Data Sheet
Download PDF

651-0666-001 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

651-0666-001: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include thread_class: 2A A, screw_material: STEEL COMP 630, thread_direction: RIGHT-HAND, width_between_flats: 0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, nominal_thread_diameter: 0.138 INCHES IN, screw_surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-377-7232, 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
651-0666-001
NSN: 5305-01-377-7232
FSC: 5305 — Screws
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
thread_class2A A
screw_materialSTEEL COMP 630
thread_directionRIGHT-HAND
width_between_flats0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
screw_material_document_and_classificationAMS 5643 COND A ASSN STD SINGLE MATERIAL RESPONSE
screw_surface_treatment_document_and_classification580-0177-000, CAGE 13499 MFR REF SINGLE TREATMENT RESPONSE
NSN5305-01-377-7232
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 651-0666-001 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 COND A ASSN STD SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
SCREW MATERIAL: STEEL COMP 630
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 COND A ASSN STD SINGLE MATERIAL RESPONSE
NOMINAL THREAD DIAMETER0.138 INCHES IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.139 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 630
THREAD CLASS2A A
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION580-0177-000, CAGE 13499 MFR REF SINGLE TREATMENT RESPONSE
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: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 651-0666-001?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 651-0666-001?
651-0666-001 is a SCREW,MACHINE.
What is the NSN for 651-0666-001?
651-0666-001 is cataloged in the U.S. Government catalog under NSN 5305-01-377-7232. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 651-0666-001