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673537 — BOLT,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

673537: BOLT,ASSEMBLED WASHER.

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON EXTENDED WASHER, head_height: 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN, thread_length: 1.422 INCHES MINIMUM AND 1.428 INCHES MAXIMUM IN, fastener_length: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-769-7532, 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
673537
NSN: 5306-00-769-7532
FSC: 5306 — Bolts
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
thread_length1.422 INCHES MINIMUM AND 1.428 INCHES MAXIMUM IN
fastener_length1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
primary_washer_styleFLAT INTERNAL TEETH
nominal_thread_diameter0.312 INCHES IN
extended_washer_diameter0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
NSN5306-00-769-7532
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 673537 · 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
•
EXTENDED WASHER THICKNESS: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.422 INCHES MINIMUM AND 1.428 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
FASTENER LENGTH1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
PRIMARY WASHER OUTSIDE DIAMETER0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
THREAD LENGTH1.422 INCHES MINIMUM AND 1.428 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHER
PRIMARY WASHER STYLEFLAT INTERNAL TEETH
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 673537?
673537 is a BOLT,ASSEMBLED WASHER.
What is the NSN for 673537?
673537 is cataloged in the U.S. Government catalog under NSN 5306-00-769-7532. 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.