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407975A1 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

407975A1: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 4.0 MILLIMETERS NOMINAL MM, head_diameter: 16.2 MILLIMETERS NOMINAL MM, special_features: METRIC, thread_direction: RIGHT-HAND, countersink_angle: 90.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-548-9101, 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
407975A1
NSN: 5305-01-548-9101
FSC: 5305 — Screws
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK UNDERCUT
head_height4.0 MILLIMETERS NOMINAL MM
head_diameter16.2 MILLIMETERS NOMINAL MM
special_featuresMETRIC
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL
width_across_flats5.2 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
end_item_identification2420-01-532-3399, TRACTOR, WHEELED, INDUSTRIAL
part_name_assigned_by_controlling_agencySCREW HEX SOCKET FLAT COUNTERSUNK HEAD
NSN5305-01-548-9101
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 407975A1 · 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: 5.2 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 4.0 MILLIMETERS NOMINAL MM
•
HEAD STYLE: FLAT COUNTERSUNK UNDERCUT
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: HEXAGON
•
COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS5.2 MILLIMETERS NOMINAL MM
HEAD HEIGHT4.0 MILLIMETERS NOMINAL MM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESMETRIC
INTERNAL DRIVE STYLEHEXAGON
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW HEX SOCKET FLAT COUNTERSUNK HEAD
END ITEM IDENTIFICATION2420-01-532-3399, TRACTOR, WHEELED, INDUSTRIAL
HEAD DIAMETER16.2 MILLIMETERS NOMINAL MM
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 407975A1?
407975A1 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 407975A1?
407975A1 is cataloged in the U.S. Government catalog under NSN 5305-01-548-9101. This indicates validated use in U.S. government and defense supply chains.
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