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29121 — WRENCH SET,OPEN END,FIXED

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

29121: WRENCH SET,OPEN END,FIXED.

The WRENCH SET,OPEN END,FIXED is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: STEEL CORROSION RESISTING OVERALL, feed_type: AUTOMATIC PRESSURE, leg_length: 0.400 INCHES NOMINAL FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, corner_shape: SQUARE ALL CORNERS. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-846-4892, 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→ 29121
NSN: 3120-00-846-4892
NIINs: 008464892, 011325756, 012876001, 014062876, 015391088
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 5RQL2 — DRS ENVIRONMENTAL SYSTEMS INC (USA)
SPECIFICATIONS
phaseSINGLE
materialSTEEL CORROSION RESISTING OVERALL
feed_typeAUTOMATIC PRESSURE
leg_length0.400 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES FIRST END
corner_shapeSQUARE ALL CORNERS
current_typeAC
thread_class3A FIRST END A
mounting_typeTABLE
overall_length0.6875 INCHES NOMINAL IN
voltage_rating120.0 VOLTS NOMINAL
connection_typeTHREADED EXTERNAL TUBE FIRST END
NSN3120-00-846-4892
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 29121 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
LOCKING LUG HEIGHT: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
BODY INSIDE DIAMETER: 1.9709 INCHES MINIMUM AND 1.9724 INCHES MAXIMUM IN
•
LOCKING LUG WIDTH: 0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
LOCKING LUG HEIGHT0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL LENGTH0.6875 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.9709 INCHES MINIMUM AND 1.9724 INCHES MAXIMUM IN
LOCKING LUG WIDTH0.1750 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
SURFACE TREATMENTTIN INSIDE DIAMETER SURFACE OF BODY
DISTANCE FROM LUG END TO END OF BEARING0.0875 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
B29121Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 29121?
29121 is a WRENCH SET,OPEN END,FIXED. It is classified as a MRO (MRO_GENERAL).
What parts can replace 29121?
There is 1 known substitute for 29121: B29121. Substitute compatibility should be verified for your specific system.
What is the NSN for 29121?
29121 is cataloged in the U.S. Government catalog under NSN 3120-00-846-4892. This indicates validated use in U.S. government and defense supply chains.
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