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20-1054 — HOUSING,BEARING UNIT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

20-1054: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q AND GLASS FIBER, flow_angle: 45.0 DEGREES, leg_length: 2.500 INCHES NOMINAL ALL ENDS IN, sweep_type: LONG, overall_width: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, overall_height: 0.013 INCHES MINIMUM AND 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM0.017 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-249-4336, 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
MRO→ MRO_GENERAL→ 20-1054
NSN: 3130-01-249-4336
NIINs: 012494336, 014079290, 014646318
FSC: 3130 — Bearings, Mounted
CAGE: 27192 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q AND GLASS FIBER
flow_angle45.0 DEGREES
leg_length2.500 INCHES NOMINAL ALL ENDS IN
sweep_typeLONG
overall_width0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
overall_height0.013 INCHES MINIMUM AND 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM0.017 INCHES MAXIMUM IN
overall_length0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresORG DRWG ITEM NAME IS GASKET, THERMAL
end_item_identificationC-17A ACFT A
nominal_pipe_size_accommodated4.000 INCHES ALL ENDS IN
NSN3130-01-249-4336
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 20-1054 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONN846 CONTRACTOR,SIZE 3 INCHES,4 POLE IN
SUBSTITUTES & CROSS-REFERENCES 1
B70-2767 ITEM 16Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 20-1054?
20-1054 is a HOUSING,BEARING UNIT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20-1054?
There is 1 known substitute for 20-1054: B70-2767 ITEM 16. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-1054?
20-1054 is cataloged in the U.S. Government catalog under NSN 3130-01-249-4336. This indicates validated use in U.S. government and defense supply chains.
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