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3M1277 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M1277: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hole_type: DRILLED, head_style: FLAT COUNTERSUNK, grip_length: 0.125 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-145-8023, 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
3M1277
NSN: 5325-01-145-8023
NIINs: 011458023, 015994530
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
hole_typeDRILLED
head_styleFLAT COUNTERSUNK
grip_length0.125 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN
head_diameter0.2931 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN
hole_diameter0.070 INCHES NOMINAL IN
hole_quantity1
thread_length0.345 INCHES NOMINAL IN
fastener_length0.470 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5325-01-145-8023
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M1277 · 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
•
LENGTH: 0.690 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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INSERT SIZE: 0.625-11 UNS
•
STYLE DESIGNATOR: SERRATED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: STEEL COMP 1117 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.690 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
INSERT SIZE0.625-11 UNS
STYLE DESIGNATORSERRATED
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 1117 OVERALL
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 3M1277?
3M1277 is a BOLT,CLOSE TOLERANCE.
What is the NSN for 3M1277?
3M1277 is cataloged in the U.S. Government catalog under NSN 5325-01-145-8023. This indicates validated use in U.S. government and defense supply chains.
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