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91255A532 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91255A532: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: BUTTON, head_diameter: 0.437 INCHES NOMINAL IN, thread_length: 4.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: OXIDE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-660-7860, 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
91255A532
NSN: 5305-01-660-7860
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleBUTTON
head_diameter0.437 INCHES NOMINAL IN
thread_length4.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
internal_drive_styleHEXAGON
end_item_identificationKC-46A TANKER SUPPORT EQUIPMENT A
part_name_assigned_by_controlling_agencyHEX DRIVE ROUNDED HEAD SCREW
NSN5305-01-660-7860
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91255A532 · 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
•
THREAD LENGTH: 4.000 INCHES NOMINAL IN
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE OVERALL
•
INTERNAL DRIVE STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
THREAD LENGTH4.000 INCHES NOMINAL IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE OVERALL
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX DRIVE ROUNDED HEAD SCREW
END ITEM IDENTIFICATIONKC-46A TANKER SUPPORT EQUIPMENT A
MATERIALSTEEL CORROSION RESISTING OVERALL
HEAD DIAMETER0.437 INCHES NOMINAL IN
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91255A532?
91255A532 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91255A532?
91255A532 is cataloged in the U.S. Government catalog under NSN 5305-01-660-7860. 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.