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Technical Data Sheet
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10823-16656 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10823-16656: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.625 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.655 INCHES MAXIMUM IN, fastener_length: 1.650 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-668-5374, 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
10823-16656
NSN: 5306-01-668-5374
FSC: 5306 — Bolts
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.625 INCHES MAXIMUM IN
thread_class2A A
thread_length0.655 INCHES MAXIMUM IN
fastener_length1.650 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
special_featuresFINISH:IAW 12424710 METHOD 4
thread_directionRIGHT-HAND
width_between_flats0.618 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
end_item_identification01-549-8565
nominal_thread_diameter0.630 INCHES IN
extended_washer_diameter0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
NSN5306-01-668-5374
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10823-16656 · 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: 0.265 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.625 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.650 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.655 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.630 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.265 INCHES NOMINAL IN
HEAD HEIGHT0.625 INCHES MAXIMUM IN
FASTENER LENGTH1.650 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
THREAD LENGTH0.655 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.630 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.618 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
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 1
12542768Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 10823-16656?
10823-16656 is a BOLT,MACHINE.
What parts can replace 10823-16656?
There is 1 known substitute for 10823-16656: 12542768. Substitute compatibility should be verified for your specific system.
What is the NSN for 10823-16656?
10823-16656 is cataloged in the U.S. Government catalog under NSN 5306-01-668-5374. 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.