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91255A628 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91255A628: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, head_diameter: 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, thread_length: 1.50 INCHES NOMINAL IN, fastener_length: 1.67 INCHES NOMINAL IN, surface_treatment: BLACK CHEMICAL FINISH OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-672-1505, 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
91255A628
NSN: 5305-01-672-1505
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
head_diameter0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
thread_length1.50 INCHES NOMINAL IN
fastener_length1.67 INCHES NOMINAL IN
surface_treatmentBLACK CHEMICAL FINISH OVERALL
width_across_flats0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
end_item_identificationMRAP - M-ATV
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
material_document_and_classificationF835 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NSN5305-01-672-1505
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91255A628 · 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: 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.67 INCHES NOMINAL IN
•
THREAD LENGTH: 1.50 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: F835 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: BLACK CHEMICAL FINISH OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
FASTENER LENGTH1.67 INCHES NOMINAL IN
THREAD LENGTH1.50 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONF835 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
COLORBLACK OVERALL
SURFACE TREATMENTBLACK CHEMICAL FINISH OVERALL
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CAP,SOCKET,BOTTON HEAD
SUBSTITUTES & CROSS-REFERENCES 1
4069234Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 91255A628?
91255A628 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 91255A628?
There is 1 known substitute for 91255A628: 4069234. Substitute compatibility should be verified for your specific system.
What is the NSN for 91255A628?
91255A628 is cataloged in the U.S. Government catalog under NSN 5305-01-672-1505. This indicates validated use in U.S. government and defense supply chains.
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