PartsTable
Technical Data Sheet
Download PDF

549-0944-007 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

549-0944-007: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 430 OVERALL, head_style: FLAT CHAMFER, head_height: 0.132 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, thread_length: 0.382 INCHES MINIMUM AND 0.418 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-486-3565, 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
549-0944-007
NSN: 5305-00-486-3565
FSC: 5305 — Screws
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 430 OVERALL
head_styleFLAT CHAMFER
head_height0.132 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
thread_length0.382 INCHES MINIMUM AND 0.418 INCHES MAXIMUM IN
fastener_length5.528 INCHES MINIMUM AND 5.588 INCHES MAXIMUM IN
special_featuresCOLOR RED AND FURNISHED WITH ONE FLAT WASHER
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
NSN5305-00-486-3565
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 549-0944-007 · 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: 0.132 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.528 INCHES MINIMUM AND 5.588 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.382 INCHES MINIMUM AND 0.418 INCHES MAXIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 5.024 INCHES MINIMUM AND 5.054 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER: 5.118 INCHES MINIMUM AND 5.148 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.132 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
FASTENER LENGTH5.528 INCHES MINIMUM AND 5.588 INCHES MAXIMUM IN
THREAD LENGTH0.382 INCHES MINIMUM AND 0.418 INCHES MAXIMUM IN
FIRST DIAMETER FROM HEAD0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER5.024 INCHES MINIMUM AND 5.054 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER5.118 INCHES MINIMUM AND 5.148 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.159 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
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
Ready to buy 549-0944-007?
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 549-0944-007?
549-0944-007 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 549-0944-007?
549-0944-007 is cataloged in the U.S. Government catalog under NSN 5305-00-486-3565. 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 — 549-0944-007

✓ 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.