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63-2157 — BUSHING,SLEEVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

63-2157: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 630 OVERALL, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.0925 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN, overall_length: 1.2000 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 2.5900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-275-1597, 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
63-2157
NSN: 5306-00-275-1597
NIINs: 002751597, 010131902
FSC: 5306 — Bolts
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 630 OVERALL
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.0925 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN
overall_length1.2000 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter2.5900 INCHES NOMINAL IN
body_outside_diameter2.8140 INCHES MINIMUM AND 2.8150 INCHES MAXIMUM IN
flange_outside_diameter3.3700 INCHES NOMINAL IN
material_document_and_classificationAMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-00-275-1597
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 63-2157 · 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: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.156 INCHES NOMINAL IN
•
THREAD LENGTH: 0.562 INCHES MINIMUM IN
•
HARDNESS RATING: 32.1 ROCKWELL C MINIMUM AND 39.1 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: CASEHARDENED AND UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH1.156 INCHES NOMINAL IN
THREAD LENGTH0.562 INCHES MINIMUM IN
HARDNESS RATING32.1 ROCKWELL C MINIMUM AND 39.1 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDCASEHARDENED AND UNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
355497SReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 63-2157?
63-2157 is a BUSHING,SLEEVE.
What parts can replace 63-2157?
There is 1 known substitute for 63-2157: 355497S. Substitute compatibility should be verified for your specific system.
What is the NSN for 63-2157?
63-2157 is cataloged in the U.S. Government catalog under NSN 5306-00-275-1597. This indicates validated use in U.S. government and defense supply chains.
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