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114S1891-3 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

114S1891-3: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: CROWNED HEXAGON, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-938-3218, 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
114S1891-3
NSN: 5306-00-938-3218
FSC: 5306 — Bolts
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_styleCROWNED HEXAGON
head_height0.250 INCHES NOMINAL IN
thread_class3A A
thread_length3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OVERALL
fastener_length3.970 INCHES MINIMUM AND 4.030 INCHES MAXIMUM IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
special_featuresSLOT DRIVE 0.080 IN. DIA,0.130 IN. DEEP IN THD END IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
NSN5306-00-938-3218
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 114S1891-3 · 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
•
SURFACE FINISH: 63.0 MICROINCHES OVERALL
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.970 INCHES MINIMUM AND 4.030 INCHES MAXIMUM IN
•
THREAD LENGTH: 3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OVERALL
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH3.970 INCHES MINIMUM AND 4.030 INCHES MAXIMUM IN
THREAD LENGTH3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLECROWNED HEXAGON
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 114S1891-3?
114S1891-3 is a BOLT,MACHINE.
What is the NSN for 114S1891-3?
114S1891-3 is cataloged in the U.S. Government catalog under NSN 5306-00-938-3218. This indicates validated use in U.S. government and defense supply chains.
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