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51-00490 — CONNECTOR,RECEPTACLE,ELECTRICAL

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

51-00490: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_style: STRAIGHT TYPE, body_height: 0.335 INCHES NOMINAL IN, minor_height: 0.125 INCHES NOMINAL IN, hole_diameter: 0.375 INCHES NOMINAL IN, overall_width: 15.520 INCHES NOMINAL IN, aperture_width: 14.146 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-184-9439, 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→ 51-00490
NSN: 3120-00-184-9439
NIINs: 001849439, 012446703, 012583463
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
body_styleSTRAIGHT TYPE
body_height0.335 INCHES NOMINAL IN
minor_height0.125 INCHES NOMINAL IN
hole_diameter0.375 INCHES NOMINAL IN
overall_width15.520 INCHES NOMINAL IN
aperture_width14.146 INCHES NOMINAL IN
overall_length26.380 INCHES NOMINAL IN
aperture_length25.006 INCHES NOMINAL IN
special_featuresTHREE MTG HOLES ON ONE SIDE OF LENGTH ARE EQUALLY SPACED 8.625 IN. C TO C,FOUR MTG HOLES ON OTHER SIDE OF LENGTH ARE IRREGULARLY SPACED IN
surface_treatmentUNABLE TO DECODE
bolt_hole_quantity11
mating_end_quantity1
NSN3120-00-184-9439
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 51-00490 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 51-00490?
51-00490 is a CONNECTOR,RECEPTACLE,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 51-00490?
51-00490 is cataloged in the U.S. Government catalog under NSN 3120-00-184-9439. 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.