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51-2901 — SEAT,VEHICULAR

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

51-2901: SEAT,VEHICULAR.

The SEAT,VEHICULAR is a the manufacturer industrial component. Key specifications include swivel: NOT INCLUDED, backrest: NOT INCLUDED, seat_type: COVERED, mounting_type: SEAT SUPPORT FRAME, pneumatic_bag: NOT INCLUDED, cushion_springs: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-811-3285, 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
51-2901
NSN: 3120-00-811-3285
NIINs: 008113285, 008753100, 010663268
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
swivelNOT INCLUDED
backrestNOT INCLUDED
seat_typeCOVERED
mounting_typeSEAT SUPPORT FRAME
pneumatic_bagNOT INCLUDED
cushion_springsNOT INCLUDED
seating_capacity1
perforation_featureNOT INCLUDED
storage_compartmentNOT INCLUDED
mounting_adjustabilityNONADJUSTABLE
folding_mounting_featureNOT INCLUDED
NSN3120-00-811-3285
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 51-2901 · 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
•
BODY OUTSIDE DIAMETER: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.0778 INCHES MINIMUM AND 0.0784 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.2210 INCHES MINIMUM AND 0.2270 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.0778 INCHES MINIMUM AND 0.0784 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51-2901?
51-2901 is a SEAT,VEHICULAR.
What is the NSN for 51-2901?
51-2901 is cataloged in the U.S. Government catalog under NSN 3120-00-811-3285. This indicates validated use in U.S. government and defense supply chains.
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