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68731-1 — CONNECTING LINK,RIGID

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

68731-1: CONNECTING LINK,RIGID.

The CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include end_item_identification: CABLE ASSEMBLY, part_name_assigned_by_controlling_agency: CLEVIS. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-038-9665, 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
68731-1
NSN: 3120-01-038-9665
NIINs: 010389665, 016565833
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationCABLE ASSEMBLY
part_name_assigned_by_controlling_agencyCLEVIS
NSN3120-01-038-9665
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 68731-1 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER
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CORNER SHAPE: SQUARE ALL CORNERS
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BODY OUTSIDE DIAMETER: 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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BODY INSIDE DIAMETER: 0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.5780 INCHES MINIMUM AND 1.5830 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 630 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68731-1?
68731-1 is a CONNECTING LINK,RIGID.
What is the NSN for 68731-1?
68731-1 is cataloged in the U.S. Government catalog under NSN 3120-01-038-9665. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.