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FF911-4 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

FF911-4: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, flange_width: 0.0910 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN, overall_length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, hardness_rating: 60.0 ROCKWELL H NOMINAL OVERALL, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-059-8375, 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
FF911-4
NSN: 3120-00-059-8375
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
flange_width0.0910 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
hardness_rating60.0 ROCKWELL H NOMINAL OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
body_outside_diameter0.9400 INCHES MINIMUM AND 0.9410 INCHES MAXIMUM IN
flange_outside_diameter1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE OR A COMPOSITION
material_document_and_classificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-059-8375
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: FF911-4 · 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
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.9400 INCHES MINIMUM AND 0.9410 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.9400 INCHES MINIMUM AND 0.9410 INCHES MAXIMUM IN
HARDNESS RATING60.0 ROCKWELL H NOMINAL OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SUBSTITUTES & CROSS-REFERENCES 3
F911-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
SLF767-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILB5687Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FF911-4?
FF911-4 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace FF911-4?
There are 3 known substitutes for FF911-4: F911-4, SLF767-16, MILB5687. Substitute compatibility should be verified for your specific system.
What is the NSN for FF911-4?
FF911-4 is cataloged in the U.S. Government catalog under NSN 3120-00-059-8375. This indicates validated use in U.S. government and defense supply chains.
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