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5139123 — GEAR,IDLER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5139123: GEAR,IDLER.

The GEAR,IDLER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 3.380 INCHES MINIMUM AND 3.390 INCHES MAXIMUM IN, outside_diameter: 5.047 INCHES MINIMUM AND 5.078 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN, internal_straight_key_width: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-091-4535, 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
5139123
NSN: 5330-00-091-4535
NIINs: 000914535, 007007089, 011357768
FSC: 5330 — Packing and Gasket Materials
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter3.380 INCHES MINIMUM AND 3.390 INCHES MAXIMUM IN
outside_diameter5.047 INCHES MINIMUM AND 5.078 INCHES MAXIMUM IN
special_features1ST HOLE IS LOCATED 4 TO 6 DEGREES FROM CENTER OF INTERNAL KEY; 16 HOLES 0.359 INCH DIAMETER EQUALLY SPACED ON 4.250 INCH BOLT CIRCLE IN
style_designatorKEY
material_thickness0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
internal_key_quantity1
internal_straight_key_width0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_top_of_internal_key1.493 INCHES MINIMUM AND 1.498 INCHES MAXIMUM IN
NSN5330-00-091-4535
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5139123 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 1
5330PL1339099Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5139123?
5139123 is a GEAR,IDLER.
What parts can replace 5139123?
There is 1 known substitute for 5139123: 5330PL1339099. Substitute compatibility should be verified for your specific system.
What is the NSN for 5139123?
5139123 is cataloged in the U.S. Government catalog under NSN 5330-00-091-4535. This indicates validated use in U.S. government and defense supply chains.
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