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11610285 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11610285: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8637 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.590 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.890 INCHES NOMINAL IN, fastener_length: 2.650 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-142-4848, 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
11610285
NSN: 5306-00-142-4848
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8637 OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.590 INCHES NOMINAL IN
thread_class3A A
thread_length0.890 INCHES NOMINAL IN
fastener_length2.650 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_between_flats0.703 INCHES MINIMUM IN
nominal_thread_diameter0.562 INCHES IN
extended_washer_diameter0.875 INCHES NOMINAL IN
NSN5306-00-142-4848
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11610285 · 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: 0.140 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.590 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.650 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232,TYPE M CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.890 INCHES NOMINAL IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.140 INCHES NOMINAL IN
HEAD HEIGHT0.590 INCHES NOMINAL IN
FASTENER LENGTH2.650 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TYPE M CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.875 INCHES NOMINAL IN
THREAD LENGTH0.890 INCHES NOMINAL IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
FIRST DIAMETER FROM HEAD0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.562 INCHES IN
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 11610285?
11610285 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 11610285?
11610285 is cataloged in the U.S. Government catalog under NSN 5306-00-142-4848. 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.