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1-100990-M — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1-100990-M: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, special_features: MATERIAL IS THERMOPLASTIC, style_designator: SOLID, EXTERNAL FLANGE ONE END, end_item_identification: TJ 381HH,STEERING ASSEMBLY ROUND, part_name_assigned_by_controlling_agency: BEARING,FLANGED, 2 X .5. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-656-4854, 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
1-100990-M
NSN: 3120-01-656-4854
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 6SQ46 — NAMJET LLC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
special_featuresMATERIAL IS THERMOPLASTIC
style_designatorSOLID, EXTERNAL FLANGE ONE END
end_item_identificationTJ 381HH,STEERING ASSEMBLY ROUND
part_name_assigned_by_controlling_agencyBEARING,FLANGED, 2 X .5
NSN3120-01-656-4854
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1-100990-M · 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
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SPECIAL FEATURESMATERIAL IS THERMOPLASTIC
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,FLANGED, 2 X .5
END ITEM IDENTIFICATIONTJ 381HH,STEERING ASSEMBLY ROUND
MATERIALPLASTIC OVERALL
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1-100990-M?
1-100990-M is a BUSHING,SLEEVE.
What is the NSN for 1-100990-M?
1-100990-M is cataloged in the U.S. Government catalog under NSN 3120-01-656-4854. 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.