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106A0493 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

106A0493: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 6.22 MILLIMETERS MINIMUM AND 6.58 MILLIMETERS MAXIMUM MM, thread_class: 2A A, thread_length: 1.250 INCHES NOMINAL IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-610-5953, 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
106A0493
NSN: 5305-01-610-5953
NIINs: 016105953, 016106284, 016108687
FSC: 5305 — Screws
CAGE: 2X262 — MIL-MAR CENTURY CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height6.22 MILLIMETERS MINIMUM AND 6.58 MILLIMETERS MAXIMUM MM
thread_class2A A
thread_length1.250 INCHES NOMINAL IN
fastener_length1.250 INCHES NOMINAL IN
special_featuresELISHA PROCESS COATING NO. 0251 APPLIED TO SURFACE
thread_directionRIGHT-HAND
width_between_flats18.90 MILLIMETERS MINIMUM MM
end_item_identification5430-01-487-7760
nominal_thread_diameter10.0 MILLIMETERS MM
thread_quantity_per_inch16
NSN5305-01-610-5953
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 106A0493 · 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: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.905 INCHES MINIMUM AND 1.961 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ELISHA PROCESS COATING 0251,A MINERAL BASED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL A
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THREAD LENGTH: 1.71 INCHES MINIMUM AND 1.75 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: GRADE 5 STEEL PER SAE J429 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
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HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
FASTENER LENGTH1.905 INCHES MINIMUM AND 1.961 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONELISHA PROCESS COATING 0251,A MINERAL BASED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL A
THREAD LENGTH1.71 INCHES MINIMUM AND 1.75 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONGRADE 5 STEEL PER SAE J429 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.3125 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT-COATED/5/16-18X1-3/4 HEX HD CAP SCREW,PLAIN
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 106A0493?
106A0493 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 106A0493?
106A0493 is cataloged in the U.S. Government catalog under NSN 5305-01-610-5953. 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.