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64660-1 — COLLAR,SHAFT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

64660-1: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thickness: 0.245 INCHES NOMINAL IN, bore_diameter: 1.1250 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: ROUND STEPPED, small_end_diameter: 1.269 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-488-5636, 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
64660-1
NSN: 5340-00-488-5636
NIINs: 004885636, 012162610
FSC: 5340 — Hardware, Commercial
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thickness0.245 INCHES NOMINAL IN
bore_diameter1.1250 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
style_designatorROUND STEPPED
small_end_diameter1.269 INCHES NOMINAL IN
largest_diameter_length0.120 INCHES NOMINAL IN
NSN5340-00-488-5636
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 64660-1 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED LENGTH: 35.093 INCHES NOMINAL IN
•
CLOSED LENGTH: 17.969 INCHES MINIMUM AND 18.031 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
WIDTH: 3.688 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
SIDE FOR WHICH DESIGNED: RIGHT HAND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED LENGTH35.093 INCHES NOMINAL IN
CLOSED LENGTH17.969 INCHES MINIMUM AND 18.031 INCHES MAXIMUM IN
SPECIAL FEATURESCHAMFER 45 DEGREES TO CENTRALIZE LOCKWASHER
SURFACE TREATMENTANODIZE OVERALL
WIDTH3.688 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
SIDE FOR WHICH DESIGNEDRIGHT HAND
SUBSTITUTES & CROSS-REFERENCES 1
C034330-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 64660-1?
64660-1 is a COLLAR,SHAFT.
What parts can replace 64660-1?
There is 1 known substitute for 64660-1: C034330-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 64660-1?
64660-1 is cataloged in the U.S. Government catalog under NSN 5340-00-488-5636. 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.