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9-2-5151 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9-2-5151: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: KNURLED NO. 5, head_height: 0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM IN, point_style: CONE, point_length: 0.1725 INCHES MINIMUM AND 0.2025 INCHES MAXIMUM IN, thread_class: 3A A.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-727-6526, 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
9-2-5151
NSN: 5305-01-727-6526
FSC: 5305 — Screws
CAGE: 81337 — W1D1 NATICK SOLDIER CENTER DBA US ARMY CCDC SOLDIER CENTER DIV COMBAT CAPABILITIES DEVELOPMENT COMMAND - SOLDIER CENTER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleKNURLED NO. 5
head_height0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM IN
point_styleCONE
point_length0.1725 INCHES MINIMUM AND 0.2025 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_length0.2975 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
point_diameter0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
fastener_length0.7975 INCHES MINIMUM AND 0.8275 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
point_chamfer_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
NSN5305-01-727-6526
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9-2-5151 · 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
•
POINT DIAMETER: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM IN
•
POINT LENGTH: 0.1725 INCHES MINIMUM AND 0.2025 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.7975 INCHES MINIMUM AND 0.8275 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.2975 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A-582 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
POINT CHAMFER ANGLE: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
•
FIRST DIAMETER FROM HEAD: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
HEAD HEIGHT0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM IN
POINT LENGTH0.1725 INCHES MINIMUM AND 0.2025 INCHES MAXIMUM IN
FASTENER LENGTH0.7975 INCHES MINIMUM AND 0.8275 INCHES MAXIMUM IN
THREAD LENGTH0.2975 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-582 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
POINT CHAMFER ANGLE85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
FIRST DIAMETER FROM HEAD0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEKNURLED NO. 5
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
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FREQUENTLY ASKED QUESTIONS
What is 9-2-5151?
9-2-5151 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 9-2-5151?
9-2-5151 is cataloged in the U.S. Government catalog under NSN 5305-01-727-6526. 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.