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2-56 — PAN AND TILT ASSEMBLY,THERMAL VI

✓ Government record, cited
Geomag · MRO · MRO_GENERAL
PRODUCT OVERVIEW

2-56: PAN AND TILT ASSEMBLY,THERMAL VI.

PAN AND TILT ASSEMBLY,THERMAL VI. Key specifications include shape: ROUND, width: 0.312 INCHES IN, author: DICTAPHONE CORP, length: 875.000 FEET FT, diameter: 0.250 INCHES NOMINAL IN, end_type: EXTERNAL THREAD SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-144-8561, 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
MRO→ MRO_GENERAL→ 2-56
NSN: 3110-00-144-8561
NIINs: 001448561, 001928794, 001948874, 001979490, 002085683, 002130727, 002332257, 002609567, 002874171, 002888936, 002966090, 003559932, 005653176, 006259545, 007317749, 007538420, 007636973, 008151792, 008280979, 008893118, 009206713, 009337656, 009441266, 010856576, 011297440, 011680072, 011991946, 012456968, 012851641, 013002811, 013428691, 013575601, 016141454, 017175292
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
shapeROUND
width0.312 INCHES IN
authorDICTAPHONE CORP
length875.000 FEET FT
diameter0.250 INCHES NOMINAL IN
end_typeEXTERNAL THREAD SECOND END
materialSTEEL OVERALL
nut_styleHEXAGON
base_styleSUB-MIDGET FLANGED
body_shapeROUND
body_width4.688 INCHES NOMINAL IN
bore_shapeSTRAIGHT
NSN3110-00-144-8561
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2-56 · Geomag ⚠ 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 120.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH23.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER120.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER65.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 10
16X213SReference document
Same NSN cross-reference
Reference document — Secondary reference
129556Reference document
Same NSN cross-reference
Reference document — Secondary reference
742155Reference document
Same NSN cross-reference
Reference document — Secondary reference
6213Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
D4235Reference document
Same NSN cross-reference
Reference document — Secondary reference
3213XReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-56?
2-56 is a PAN AND TILT ASSEMBLY,THERMAL VI manufactured by Geomag. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2-56?
There are 10 known substitutes for 2-56: 16X213S, 129556, 742155 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-56?
2-56 is cataloged in the U.S. Government catalog under NSN 3110-00-144-8561. This indicates validated use in U.S. government and defense supply chains.
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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.