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91257A464 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91257A464: 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: 0.25 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.5625 INCHES NOMINAL IN, thread_length: 1.0 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-680-0150, 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
91257A464
NSN: 5305-01-680-0150
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.25 INCHES NOMINAL IN
thread_class2A A
head_diameter0.5625 INCHES NOMINAL IN
thread_length1.0 INCHES MINIMUM IN
hardness_rating33.0 ROCKWELL B NOMINAL OVERALL
special_featuresZINC YELLOW-CHROMATE PLATED HEX HEAD SCREW
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
NSN5305-01-680-0150
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91257A464 · 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: 0.25 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASME B18.2.1, SAE J429 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.0 INCHES MINIMUM IN
•
HARDNESS RATING: 33.0 ROCKWELL B NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASME B18.2.1, SAE J429 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.25 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASME B18.2.1, SAE J429 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.0 INCHES MINIMUM IN
HARDNESS RATING33.0 ROCKWELL B NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASME B18.2.1, SAE J429 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESZINC YELLOW-CHROMATE PLATED HEX HEAD SCREW
SURFACE TREATMENTZINC OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91257A464?
91257A464 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 91257A464?
91257A464 is cataloged in the U.S. Government catalog under NSN 5305-01-680-0150. This indicates validated use in U.S. government and defense supply chains.
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