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4162438 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4162438: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, fastener_length: 1.00 INCHES NOMINAL IN, special_features: SLOT WIDTH 0.072-0.084; SLOT DEPTH 0.100-0.134, surface_treatment: PHOSPHATE ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-672-1485, 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
4162438
NSN: 5305-01-672-1485
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
fastener_length1.00 INCHES NOMINAL IN
special_featuresSLOT WIDTH 0.072-0.084; SLOT DEPTH 0.100-0.134
surface_treatmentPHOSPHATE ZINC OVERALL
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
internal_drive_styleSLOT
end_item_identificationMRAP - M-ATV
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
extended_washer_diameter0.624 INCHES MINIMUM AND 0.676 INCHES MAXIMUM IN
extended_washer_thickness0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
NSN5305-01-672-1485
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4162438 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.31 INCHES IN
•
EXTENDED WASHER THICKNESS: 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.00 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.624 INCHES MINIMUM AND 0.676 INCHES MAXIMUM IN
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.31 INCHES IN
EXTENDED WASHER THICKNESS0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
FASTENER LENGTH1.00 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.624 INCHES MINIMUM AND 0.676 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
HEAD STYLEHEXAGON EXTENDED WASHER
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
COLORBLACK OVERALL
SPECIAL FEATURESSLOT WIDTH 0.072-0.084; SLOT DEPTH 0.100-0.134
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 4162438?
4162438 is a SCREW,TAPPING.
What is the NSN for 4162438?
4162438 is cataloged in the U.S. Government catalog under NSN 5305-01-672-1485. 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.