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3M1262C3-2-5A — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M1262C3-2-5A: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-505-4052, 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
3M1262C3-2-5A
NSN: 5305-01-505-4052
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
thread_length0.313 INCHES NOMINAL IN
fastener_length0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
internal_drive_styleTORX
NSN5305-01-505-4052
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M1262C3-2-5A · 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
•
SPLINE MINOR DIAMETER: 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.313 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: BPS-F-69 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
SPLINE MAJOR DIAMETER: 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN
FASTENER LENGTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
THREAD LENGTH0.313 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONBPS-F-69 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SPLINE MAJOR DIAMETER0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
TX1024C3-2-5ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3M1262C3-2-5A?
3M1262C3-2-5A is a SCREW,CLOSE TOLERANCE.
What parts can replace 3M1262C3-2-5A?
There is 1 known substitute for 3M1262C3-2-5A: TX1024C3-2-5A. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M1262C3-2-5A?
3M1262C3-2-5A is cataloged in the U.S. Government catalog under NSN 5305-01-505-4052. 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.