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AES20U312A75BB3L71 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AES20U312A75BB3L71: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: KNURLED NO. 1, thread_length: 1.750 INCHES NOMINAL IN, special_features: BLACK OXIDE COATING PER MIL-DTL-13924D CLASS I, thread_direction: RIGHT-HAND, shoulder_diameter: 0.312 INCHES NOMINAL OVERALL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-713-9752, 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
AES20U312A75BB3L71
NSN: 5305-01-713-9752
FSC: 5305 — Screws
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleKNURLED NO. 1
thread_length1.750 INCHES NOMINAL IN
special_featuresBLACK OXIDE COATING PER MIL-DTL-13924D CLASS I
thread_directionRIGHT-HAND
shoulder_diameter0.312 INCHES NOMINAL OVERALL IN
internal_drive_styleHEXAGON
end_item_identification4210-01-488-9655
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationASTM A574 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySCREW, SHOULDER, HEX SOCKET HEAD
NSN5305-01-713-9752
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AES20U312A75BB3L71 · 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
•
SHOULDER DIAMETER: 0.312 INCHES NOMINAL OVERALL IN
•
THREAD LENGTH: 1.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A574 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: KNURLED NO. 1
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
SHOULDER DIAMETER0.312 INCHES NOMINAL OVERALL IN
THREAD LENGTH1.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESBLACK OXIDE COATING PER MIL-DTL-13924D CLASS I
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, SHOULDER, HEX SOCKET HEAD
END ITEM IDENTIFICATION4210-01-488-9655
MATERIALSTEEL OVERALL
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 AES20U312A75BB3L71?
AES20U312A75BB3L71 is a SCREW,SHOULDER.
What is the NSN for AES20U312A75BB3L71?
AES20U312A75BB3L71 is cataloged in the U.S. Government catalog under NSN 5305-01-713-9752. This indicates validated use in U.S. government and defense supply chains.
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