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1366AS545 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1366AS545: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, head_height: 0.278 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 3.750 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-282-4787, 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
1366AS545
NSN: 5306-01-282-4787
FSC: 5306 — Bolts
CAGE: 28115 — NATIONAL DESIGNERS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
head_height0.278 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
thread_class2A A
thread_length3.750 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length7.950 INCHES MINIMUM AND 8.050 INCHES MAXIMUM IN
shoulder_length4.250 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.452 INCHES NOMINAL FIRST SHOULDER IN
surface_treatmentZINC OR CADMIUM OR PHOSPHATE OVERALL
width_between_flats0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
NSN5306-01-282-4787
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1366AS545 · 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: 0.278 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
•
FASTENER LENGTH: 7.950 INCHES MINIMUM AND 8.050 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 4.250 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.452 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 3.750 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.278 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
FASTENER LENGTH7.950 INCHES MINIMUM AND 8.050 INCHES MAXIMUM IN
SHOULDER LENGTH4.250 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.452 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH3.750 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
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 1366AS545?
1366AS545 is a BOLT,SHOULDER.
What is the NSN for 1366AS545?
1366AS545 is cataloged in the U.S. Government catalog under NSN 5306-01-282-4787. This indicates validated use in U.S. government and defense supply chains.
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