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677490C1 — BOLT,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

677490C1: BOLT,ASSEMBLED WASHER.

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, fastener_length: 0.930 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-185-2070, 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
677490C1
NSN: 5306-01-185-2070
FSC: 5306 — Bolts
CAGE: 45RP7 — DRESSTA NORTH AMERICA LTD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
thread_class2A A
thread_length0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
fastener_length0.930 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
washer_quantity1
special_featuresWITH 0.095 IN. MIN,0.155 MAX LG DOG POINT IN
thread_directionRIGHT-HAND
width_between_flats0.544 INCHES MINIMUM IN
primary_washer_styleSPLIT HELICAL RING
nominal_thread_diameter0.312 INCHES IN
NSN5306-01-185-2070
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 677490C1 · 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: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.930 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: A-31,FSCM 92679 MFR REF ALL MATERIAL RESPONSES FASTENER
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
FASTENER LENGTH0.930 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
PRIMARY WASHER OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
THREAD LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONA-31,FSCM 92679 MFR REF ALL MATERIAL RESPONSES FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONA-O PART 1,FSCM 92679 MFR REF ALL MATERIAL RESPONSES PRIMARY WASHER
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON
PRIMARY WASHER STYLESPLIT HELICAL RING
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
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 677490C1?
677490C1 is a BOLT,ASSEMBLED WASHER.
What is the NSN for 677490C1?
677490C1 is cataloged in the U.S. Government catalog under NSN 5306-01-185-2070. This indicates validated use in U.S. government and defense supply chains.
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