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12288110 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12288110: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGONHEXAGON, head_height: 0.439 INCHES MINIMUM AND 0.439 INCHES MINIMUM AND 0.467 INCHES MAXIMUM0.467 INCHES MAXIMUM IN, thread_length: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN, fastener_length: 5.150 INCHES MINIMUM AND 5.150 INCHES MINIMUM AND 5.250 INCHES MAXIMUM5.250 INCHES MAXIMUM IN, thread_direction: RIGHT-HANDRIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-144-4862, 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
12288110
NSN: 5306-01-144-4862
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGONHEXAGON
head_height0.439 INCHES MINIMUM AND 0.439 INCHES MINIMUM AND 0.467 INCHES MAXIMUM0.467 INCHES MAXIMUM IN
thread_length1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
fastener_length5.150 INCHES MINIMUM AND 5.150 INCHES MINIMUM AND 5.250 INCHES MAXIMUM5.250 INCHES MAXIMUM IN
hardness_rating33.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FASTENER39.0 ROCKWELL C MAXIMUM FASTENER
thread_directionRIGHT-HANDRIGHT-HAND
width_between_flats1.100 INCHES MINIMUM AND 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM1.125 INCHES MAXIMUM IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH LBS
thread_series_designatorUNFUNF
material_document_and_classificationFF-B-575 FED SPEC SINGLE MATERIAL RESPONSE OVERALLFF-B-575 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-144-4862
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12288110 · 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: 0.439 INCHES MINIMUM AND 0.439 INCHES MINIMUM AND 0.467 INCHES MAXIMUM0.467 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.150 INCHES MINIMUM AND 5.150 INCHES MINIMUM AND 5.250 INCHES MAXIMUM5.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
•
HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FASTENER39.0 ROCKWELL C MAXIMUM FASTENER
•
MATERIAL DOCUMENT AND CLASSIFICATION: FF-B-575 FED SPEC SINGLE MATERIAL RESPONSE OVERALLFF-B-575 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: HEXAGONHEXAGON
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.100 INCHES MINIMUM AND 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM1.125 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.439 INCHES MINIMUM AND 0.439 INCHES MINIMUM AND 0.467 INCHES MAXIMUM0.467 INCHES MAXIMUM IN
FASTENER LENGTH5.150 INCHES MINIMUM AND 5.150 INCHES MINIMUM AND 5.250 INCHES MAXIMUM5.250 INCHES MAXIMUM IN
THREAD LENGTH1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FASTENER39.0 ROCKWELL C MAXIMUM FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONFF-B-575 FED SPEC SINGLE MATERIAL RESPONSE OVERALLFF-B-575 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGONHEXAGON
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM1.125 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH LBS
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH130000 POUNDS PER SQUARE INCH LBS
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12288110?
12288110 is a BOLT,MACHINE.
What is the NSN for 12288110?
12288110 is cataloged in the U.S. Government catalog under NSN 5306-01-144-4862. 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.