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1562278-1 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1562278-1: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BINDING, head_height: 0.082 INCHES NOMINAL IN, spline_width: 0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.298 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-285-2020, 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
1562278-1
NSN: 5305-01-285-2020
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBINDING
head_height0.082 INCHES NOMINAL IN
spline_width0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.298 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
thread_length0.235 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
fastener_length0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
internal_drive_styleSIX SPLINE
NSN5305-01-285-2020
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1562278-1 · 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
•
SPLINE MINOR DIAMETER: 0.080 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.082 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SPLINE WIDTH: 0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.235 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
SPLINE MAJOR DIAMETER: 0.098 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.080 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
HEAD HEIGHT0.082 INCHES NOMINAL IN
FASTENER LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SPLINE WIDTH0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
THREAD LENGTH0.235 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
SPLINE MAJOR DIAMETER0.098 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEBINDING
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 1562278-1?
1562278-1 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 1562278-1?
1562278-1 is cataloged in the U.S. Government catalog under NSN 5305-01-285-2020. This indicates validated use in U.S. government and defense supply chains.
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