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452581 — BEARING,ROLLER,JOURNAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

452581: BEARING,ROLLER,JOURNAL.

The BEARING,ROLLER,JOURNAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_shape: STRAIGHT, bore_diameter: 3.4995 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN, overall_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, surface_finish: GROUND, style_designator: INNER RING, ROLLER, CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-298-1149, 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
452581
NSN: 5306-00-298-1149
NIINs: 002981149, 006912169, 007652383
FSC: 5306 — Bolts
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_shapeSTRAIGHT
bore_diameter3.4995 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN
overall_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
surface_finishGROUND
style_designatorINNER RING, ROLLER, CYLINDRICAL
overall_outside_diameter3.8563 INCHES MINIMUM AND 3.8568 INCHES MAXIMUM IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-00-298-1149
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 452581 · 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: 0.310 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.590 INCHES NOMINAL IN
•
THREAD LENGTH: 2.440 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: CROWNED HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.310 INCHES NOMINAL IN
FASTENER LENGTH2.590 INCHES NOMINAL IN
THREAD LENGTH2.440 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLECROWNED HEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.440 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
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 452581?
452581 is a BEARING,ROLLER,JOURNAL.
What is the NSN for 452581?
452581 is cataloged in the U.S. Government catalog under NSN 5306-00-298-1149. This indicates validated use in U.S. government and defense supply chains.
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