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2688-1 — MODEM ASSEMBLY,COMMUNICATIONS

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

2688-1: MODEM ASSEMBLY,COMMUNICATIONS.

The MODEM ASSEMBLY,COMMUNICATIONS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, cone_width: 1.0000 INCHES NOMINAL IN, timer_type: ELECTRICAL, current_type: AC, bore_diameter: 1.5625 INCHES NOMINAL IN, handle_height: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-3552, 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→ 2688-1
NSN: 3110-00-100-3552
NIINs: 001003552, 007982287, 010254630, 012723202, 014077637
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
cone_width1.0000 INCHES NOMINAL IN
timer_typeELECTRICAL
current_typeAC
bore_diameter1.5625 INCHES NOMINAL IN
handle_height0.312 INCHES NOMINAL IN
overall_width0.750 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
voltage_in_volts120.0
cone_corner_radius0.1406 INCHES NOMINAL IN
frequency_in_hertz60.0
end_item_identificationAN/TYQ-40(V)3
NSN3110-00-100-3552
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2688-1 · OEM ⚠ 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.0000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.5625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.0000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.5625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
ST763Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-B-187Reference document
Same NSN cross-reference
Reference document — Secondary reference
83923HReference document
Same NSN cross-reference
Reference document — Secondary reference
042888Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ME130-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0042888Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2688-1?
2688-1 is a MODEM ASSEMBLY,COMMUNICATIONS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2688-1?
There are 8 known substitutes for 2688-1: ST763, FF-B-187, 83923H and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2688-1?
2688-1 is cataloged in the U.S. Government catalog under NSN 3110-00-100-3552. This indicates validated use in U.S. government and defense supply chains.
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