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A51G20510-1 — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A51G20510-1: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER MEMBER, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, overall_length: 2.7300 INCHES NOMINAL IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM RACE INSERT. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-159-8506, 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
A51G20510-1
NSN: 3120-00-159-8506
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 61174 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER MEMBER
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
overall_length2.7300 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM RACE INSERT
thread_diameter0.250 INCHES NOMINAL IN
special_featuresSLOT IN SHANK 0.0670 IN. WIDE IN
style_designatorBALL TYPE
thread_directionRIGHT-HAND
surface_treatmentCADMIUM ROD END BODY
inner_member_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
NSN3120-00-159-8506
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A51G20510-1 · 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
•
SHANK THREAD LENGTH: 1.2500 INCHES NOMINAL IN
•
BORE CENTER TO SHANK END DISTANCE: 2.2500 INCHES NOMINAL IN
•
INNER MEMBER WIDTH: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
•
HARDNESS RATING: 56.0 ROCKWELL C MINIMUM INNER MEMBER
•
OUTER MEMBER WIDTH: 0.2200 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL TYPE
•
THREAD DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH1.2500 INCHES NOMINAL IN
BORE CENTER TO SHANK END DISTANCE2.2500 INCHES NOMINAL IN
INNER MEMBER WIDTH0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
HARDNESS RATING56.0 ROCKWELL C MINIMUM INNER MEMBER
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM RACE INSERT
OUTER MEMBER WIDTH0.2200 INCHES NOMINAL IN
STYLE DESIGNATORBALL TYPE
THREAD DIAMETER0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES ROD END BODY
OVERALL LENGTH2.7300 INCHES NOMINAL IN
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51G20510-1?
A51G20510-1 is a BEARING,PLAIN,ROD END.
What is the NSN for A51G20510-1?
A51G20510-1 is cataloged in the U.S. Government catalog under NSN 3120-00-159-8506. This indicates validated use in U.S. government and defense supply chains.
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