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752-6406820-7 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

752-6406820-7: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OVERALL, head_style: FLAT CHAMFER, head_height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-451-8927, 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
752-6406820-7
NSN: 5305-01-451-8927
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OVERALL
head_styleFLAT CHAMFER
head_height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length0.750 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.750 INCHES NOMINAL IN
shoulder_length1.000 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.3765 INCHES MINIMUM AND 0.3772 INCHES MAXIMUM FIRST SHOULDER IN
width_across_flats0.312 INCHES NOMINAL IN
NSN5305-01-451-8927
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 752-6406820-7 · 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
•
WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.000 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.3765 INCHES MINIMUM AND 0.3772 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.312 INCHES NOMINAL IN
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
FASTENER LENGTH1.750 INCHES NOMINAL IN
SHOULDER LENGTH1.000 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.3765 INCHES MINIMUM AND 0.3772 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.750 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT CHAMFER
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 2
752-6406822 FIND 7Reference document
Same NSN cross-reference
Reference document — Secondary reference
211017501Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 752-6406820-7?
752-6406820-7 is a SCREW,SHOULDER.
What parts can replace 752-6406820-7?
There are 2 known substitutes for 752-6406820-7: 752-6406822 FIND 7, 211017501. Substitute compatibility should be verified for your specific system.
What is the NSN for 752-6406820-7?
752-6406820-7 is cataloged in the U.S. Government catalog under NSN 5305-01-451-8927. 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.