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137378 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

137378: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: COPPER AND RUBBER SYNTHETIC, bead_diameter: 1.030 INCHES NOMINAL IN, hole_diameter: 0.156 INCHES NOMINAL IN, pressure_rating: 90.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 2.220 INCHES NOMINAL IN, style_designator: SPECIAL SHAPED. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0237, 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
137378
NSN: 3110-00-100-0237
NIINs: 001000237, 003148144
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER AND RUBBER SYNTHETIC
bead_diameter1.030 INCHES NOMINAL IN
hole_diameter0.156 INCHES NOMINAL IN
pressure_rating90.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter2.220 INCHES NOMINAL IN
special_featuresOVERALL HGT 0.37,CENTER HOLE THRU 0.07 IN. THK,2 HOLES 1.80 IN. ACROSS C-TO-C 0.125 IN. DIA; MATL 0.010 GAUGE TRICOT JERSEY NYLON COATED ON SIDE PER AMS3212 IN
style_designatorSPECIAL SHAPED
bolt_hole_quantity6
material_thickness0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
bolt_circle_diameter1.800 INCHES NOMINAL IN
center_hole_diameter0.250 INCHES NOMINAL IN
supplementary_featuresDIAPHRAGM FOR IMPELLER INJECTION SPINNER DISCHARGE VALVE
NSN3110-00-100-0237
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 137378 · 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: 0.0312 INCHES NOMINAL IN
•
CONE WIDTH: 1.1450 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
CONE WIDTH1.1450 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.3750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
06684AReference document
Same NSN cross-reference
Reference document — Secondary reference
500189Reference document
Same NSN cross-reference
Reference document — Secondary reference
S14325Reference document
Same NSN cross-reference
Reference document — Secondary reference
827409Reference document
Same NSN cross-reference
Reference document — Secondary reference
0211565-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
149170Reference 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 137378?
137378 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace 137378?
There are 9 known substitutes for 137378: 06684A, 500189, S14325 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 137378?
137378 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0237. This indicates validated use in U.S. government and defense supply chains.
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