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5665-4 — SPRAG RETAINER ASSEMBLY

✓ Government record, cited
Tactic · BALL BEARING
PRODUCT OVERVIEW

5665-4: SPRAG RETAINER ASSEMBLY.

The SPRAG RETAINER ASSEMBLY is a Tactic industrial component. Key specifications include material: NICKEL ALLOY, special_features: MONEL WEDGE, end_item_identification: 5 IN. NB25025-MAC IN.

This part is cataloged in the U.S. Government catalog under NSN 3130-00-108-0603, 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
5665-4
NSN: 3130-00-108-0603
NIINs: 001080603, 011774317, 014864569
FSC: 3130 — Bearings, Mounted
CAGE: 31974 — HOFFMAN/NEW YORKER, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY
special_featuresMONEL WEDGE
end_item_identification5 IN. NB25025-MAC IN
NSN3130-00-108-0603
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5665-4 · Tactic ⚠ 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
•
SEAL TYPE: LABYRINTH
•
LUBRICATION MATERIAL: GREASE
•
TEMP RATING: 275.0 FAHRENHEIT DEGF
•
LUBRICATION FITTING TYPE: HYDRAULIC
•
ASSEMBLY OVERALL LENGTH: 2.5625 INCHES NOMINAL IN
•
HOUSING HEIGHT: 6.2500 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 1.6250 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS
SEAL TYPELABYRINTH
LUBRICATION MATERIALGREASE
TEMP RATING275.0 FAHRENHEIT DEGF
LUBRICATION FITTING TYPEHYDRAULIC
ASSEMBLY OVERALL LENGTH2.5625 INCHES NOMINAL IN
HOUSING HEIGHT6.2500 INCHES NOMINAL IN
MOUNTING SLOT LENGTH1.6250 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPESLOTTED
ROTATING ELEMENT LOCKING METHODDIRECT
SUBSTITUTES & CROSS-REFERENCES 1
EMP39Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5665-4?
5665-4 is a SPRAG RETAINER ASSEMBLY manufactured by Tactic.
What parts can replace 5665-4?
There is 1 known substitute for 5665-4: EMP39. Substitute compatibility should be verified for your specific system.
What is the NSN for 5665-4?
5665-4 is cataloged in the U.S. Government catalog under NSN 3130-00-108-0603. 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.