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5311 — SCREW,MACHINE

✓ Government record, cited
SMITH & WESSON SALES COMPANY · TAPERED BEARING
PRODUCT OVERVIEW

5311: SCREW,MACHINE.

- High quality - Long life - Easy installation. This part is cataloged in the U.S. Government catalog under NSN 3110-00-156-5319, 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
5311
NSN: 3110-00-156-5319
NIINs: 001565319, 001720028, 002395311, 002585454, 003658717, 004888319, 005191465, 005555336, 005663332, 005852653, 006657267, 008259460, 008382984, 008960769, 010324705, 010388503, 010998035, 011377658, 012577577, 012970935, 013009418, 014726870, 015749709, 016001652, 016210035
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
Part Number5311
ManufacturerSMITH & WESSON SALES COMPANY
NSN3110-00-156-5319
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5311 · SMITH & WESSON SALES COMPANY ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 4.7238 INCHES MINIMUM AND 4.7244 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONLOOSE
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH1.9325 INCHES MINIMUM AND 1.9375 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER4.7238 INCHES MINIMUM AND 4.7244 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 6
GX225Reference document
Same NSN cross-reference
Reference document — Secondary reference
CC7747Reference document
Same NSN cross-reference
Reference document — Secondary reference
64682DReference document
Same NSN cross-reference
Reference document — Secondary reference
M184Reference document
Same NSN cross-reference
Reference document — Secondary reference
260253R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
E38-22-0080Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5311?
5311 is a SCREW,MACHINE manufactured by SMITH & WESSON SALES COMPANY.
What parts can replace 5311?
There are 6 known substitutes for 5311: GX225, CC7747, 64682D and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5311?
5311 is cataloged in the U.S. Government catalog under NSN 3110-00-156-5319. 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.