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619-1649-001 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

619-1649-001: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.035 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, fastener_length: 0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-027-2979, 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
619-1649-001
NSN: 5305-01-027-2979
FSC: 5305 — Screws
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
thread_length0.035 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
fastener_length0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
nominal_thread_diameter0.138 INCHES IN
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-027-2979
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 619-1649-001 · 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
•
FASTENER LENGTH: 0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.035 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 304L OR STEEL COMP 316L OR STEEL COMP 302 OR STEEL COMP 347 OR STEEL COMP 321 OR STEEL COMP 317 OR STEEL COMP 316 OR STEEL COMP 310 OR STEEL COMP 309 OR STEEL COMP 305 OR STEEL COMP 304 OR STEEL COMP 301 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 308 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 323 OR STEEL COMP 324 OR STEEL COMP 348 OR STEEL COMP 385
•
COLOR: BEIGE
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.157 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
THREAD LENGTH0.035 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 304L OR STEEL COMP 316L OR STEEL COMP 302 OR STEEL COMP 347 OR STEEL COMP 321 OR STEEL COMP 317 OR STEEL COMP 316 OR STEEL COMP 310 OR STEEL COMP 309 OR STEEL COMP 305 OR STEEL COMP 304 OR STEEL COMP 301 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 308 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 323 OR STEEL COMP 324 OR STEEL COMP 348 OR STEEL COMP 385
COLORBEIGE
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
THREAD CLASS2A A
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 619-1649-001?
619-1649-001 is a SCREW,MACHINE.
What is the NSN for 619-1649-001?
619-1649-001 is cataloged in the U.S. Government catalog under NSN 5305-01-027-2979. 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.