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FF-101-3 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

FF-101-3: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.1225 INCHES MINIMUM AND 0.1275 INCHES MAXIMUM IN, overall_length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-555-4050, 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
FF-101-3
NSN: 3120-00-555-4050
NIINs: 005554050, 011868841
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70901 — BEEMER PRECISION INC (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.1225 INCHES MINIMUM AND 0.1275 INCHES MAXIMUM IN
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
body_outside_diameter1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
end_item_identificationLOGISTICS SUPPORT VESSEL
flange_outside_diameter1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND A COMPOSITION
material_document_and_classificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-555-4050
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: FF-101-3 · 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: 1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.0010 INCHES MINIMUM AND 1.0020 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 DIAMETER1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
5D3-03299-75Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MILB5687TYPE1C0MP0SITI0NAReference document
Same NSN cross-reference
Reference document — Identification reference
F1013Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 FF-101-3?
FF-101-3 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace FF-101-3?
There are 3 known substitutes for FF-101-3: 5D3-03299-75, MILB5687TYPE1C0MP0SITI0NA, F1013. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-101-3?
FF-101-3 is cataloged in the U.S. Government catalog under NSN 3120-00-555-4050. 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.