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68139 — GEAR SECTOR,SPUR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

68139: GEAR SECTOR,SPUR.

The GEAR SECTOR,SPUR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, pressure_angle: 20.0000 DEGREES20.0000 DEGREES, teeth_quantity: 112. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-142-8524, 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
68139
NSN: 4730-01-142-8524
NIINs: 011428524, 012897458
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
pressure_angle20.0000 DEGREES20.0000 DEGREES
teeth_quantity112
NSN4730-01-142-8524
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 68139 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW ANGLE: 90.0 DEGREES
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
LEG LENGTH: 0.749 INCHES MINIMUM AND 0.811 INCHES MAXIMUM SECOND END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
LEG LENGTH0.749 INCHES MINIMUM AND 0.811 INCHES MAXIMUM SECOND END IN
LEG LENGTH0.779 INCHES MINIMUM AND 0.841 INCHES MAXIMUM FIRST END IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 6
CBU1212Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
19-003-8007Reference document
Same NSN cross-reference
Reference document — Informative reference only
A77512Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4730PL0816851Reference document
Same NSN cross-reference
Reference document — Informative reference only
10086225Reference document
Same NSN cross-reference
Reference document — Informative reference only
032377TReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 68139?
68139 is a GEAR SECTOR,SPUR.
What parts can replace 68139?
There are 6 known substitutes for 68139: CBU1212, 19-003-8007, A77512 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 68139?
68139 is cataloged in the U.S. Government catalog under NSN 4730-01-142-8524. This indicates validated use in U.S. government and defense supply chains.
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