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Technical Data Sheet
PartsTable / COMPONENT / 127611
127611 ✓ 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,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.281 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-905-1645, 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
127611
NSN: 5305-00-905-1645
FSC: 5305
CAGE: 73734 — FEDERAL SCREW PRODUCTS, INC. (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.281 INCHES NOMINAL IN
thread_length0.218 INCHES MINIMUM IN
fastener_length0.593 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE FILM OVERALL
internal_drive_styleTORQUE
nominal_thread_diameter0.138 INCHES IN
NSN5305-00-905-1645
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 127611 · 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
•
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY: 1
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.218 INCHES MINIMUM IN
•
FASTENER LENGTH: 0.593 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.218 INCHES MINIMUM IN
FASTENER LENGTH0.593 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.375 INCHES NOMINAL IN
INTERNAL DRIVE STYLETORQUE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
V82Interchangeable
interchangeable cross-reference
interchangeable
X8981Interchangeable
interchangeable cross-reference
interchangeable
V542Interchangeable
interchangeable cross-reference
interchangeable
28561G001Interchangeable
interchangeable cross-reference
interchangeable
6FZ229-SInterchangeable
interchangeable cross-reference
interchangeable
NS200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 127611?
127611 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 127611?
There are 14 known substitutes for 127611: V82, X8981, V542 and 11 more. Substitute compatibility should be verified for your specific system.
Is 127611 still available?
127611 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026