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Technical Data Sheet
PartsTable / COMPONENT / 56918
56918 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN, material: PLASTIC POLYAMIDE NYLON OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 2.1220 INCHES MINIMUM AND 2.1280 INCHES MAXIMUM IN, special_features: COLOR BLACK, style_designator: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-297-2159, 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
56918
NSN: 5305-00-297-2159
FSC: 5305
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
diameter1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
materialPLASTIC POLYAMIDE NYLON OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter2.1220 INCHES MINIMUM AND 2.1280 INCHES MAXIMUM IN
special_featuresCOLOR BLACK
style_designatorROUND
overall_thickness0.0910 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5305-00-297-2159
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 56918 · 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
•
WIDTH ACROSS FLATS: 0.158 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.190 INCHES NOMINAL IN
•
HOLE QUANTITY: 6
•
HOLE CONFIGURATION STYLE: ROUND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.158 INCHES NOMINAL IN
HEAD HEIGHT0.190 INCHES NOMINAL IN
HOLE QUANTITY6
HOLE CONFIGURATION STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
THREAD QUANTITY PER INCH32
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFLAT CHAMFER
HOLE DIAMETER0.047 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5310PL0730310Interchangeable
interchangeable cross-reference
interchangeable
5310PL1849343Interchangeable
interchangeable cross-reference
interchangeable
ASC1538391Interchangeable
interchangeable cross-reference
interchangeable
D302911PC36Interchangeable
interchangeable cross-reference
interchangeable
NT2034Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56918?
56918 is a BEARING,WASHER,THRUST.
What parts can replace 56918?
There are 5 known substitutes for 56918: 5310PL0730310, 5310PL1849343, ASC1538391 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56918?
56918 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-297-2159. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026