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NGB540DJ — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

NGB540DJ: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, flange_width: 0.218 INCHES NOMINAL IN, overall_length: 1.032 INCHES NOMINAL IN, special_features: EXTERNAL THREAD DESIGNATION IS 0.8438-18 UNJS-3A A, style_designator: HEXAGON SHAPED FLANGE, EXTERNAL FLANGE ONE END, surface_treatment: PLASTIC POLYTETRAFLUOROETHYLENE INSIDE DIAMETER SURFACE OF BODY. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-697-8334, 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
NGB540DJ
NSN: 3120-01-697-8334
NIINs: 016978334, 016978335, 016982985, 016982990, 017110963, 017112009, 017112010, 017112012
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 1SFN4 — NORTHROP GRUMMAN SYSTEMS CORP INTEGRATED SYSTEMS SECTOR (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
flange_width0.218 INCHES NOMINAL IN
overall_length1.032 INCHES NOMINAL IN
special_featuresEXTERNAL THREAD DESIGNATION IS 0.8438-18 UNJS-3A A
style_designatorHEXAGON SHAPED FLANGE, EXTERNAL FLANGE ONE END
surface_treatmentPLASTIC POLYTETRAFLUOROETHYLENE INSIDE DIAMETER SURFACE OF BODY
width_across_flats1.125 INCHES NOMINAL IN
body_inside_diameter0.634 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN
body_outside_diameter0.835 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
end_item_identificationSPECIAL, AIR VEHICLE, AIRCRAFT
flange_outside_diameter0.688 INCHES NOMINAL IN
material_document_and_classificationAMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-697-8334
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NGB540DJ · 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
•
FLANGE OUTSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.7680 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 0.5090 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.1820 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.7680 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.9500 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.5090 INCHES NOMINAL IN
SPECIAL FEATURESFLANGE IS HEXAGON AND SPLIT.
FLANGE WIDTH0.1820 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBUSHING-TUBE,BULKHEAD
END ITEM IDENTIFICATIONSPECIAL, AIR VEHICLE, AIRCRAFT
MATERIALTITANIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
NGB540DJ-24T2Same 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 NGB540DJ?
NGB540DJ is a BUSHING,SLEEVE.
What parts can replace NGB540DJ?
There is 1 known substitute for NGB540DJ: NGB540DJ-24T2. Substitute compatibility should be verified for your specific system.
What is the NSN for NGB540DJ?
NGB540DJ is cataloged in the U.S. Government catalog under NSN 3120-01-697-8334. 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.