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N-492 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

N-492: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY STEM, body_style: STRAIGHT THRU, temp_rating: 150.0 FAHRENHEIT NOMINAL DEGF, corner_shape: SQUARE ALL CORNERS, overall_length: 0.9770 INCHES MINIMUM AND 0.9870 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-492-2211, 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
N-492
NSN: 3120-00-492-2211
NIINs: 004922211, 005952733
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 55727 — EDPAC CORP (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY STEM
body_styleSTRAIGHT THRU
temp_rating150.0 FAHRENHEIT NOMINAL DEGF
corner_shapeSQUARE ALL CORNERS
overall_length0.9770 INCHES MINIMUM AND 0.9870 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES INTERMEDIATE LAYER
regulation_typeMANUAL SINGLE STAGE
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
valve_stem_designSINGLE SEAT
body_inside_diameter0.3906 INCHES NOMINAL IN
valve_loading_methodSPRING
NSN3120-00-492-2211
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: N-492 · 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
•
SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.3906 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.7500 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.9770 INCHES MINIMUM AND 0.9870 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3906 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
94497-3Reference 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 N-492?
N-492 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace N-492?
There is 1 known substitute for N-492: 94497-3. Substitute compatibility should be verified for your specific system.
What is the NSN for N-492?
N-492 is cataloged in the U.S. Government catalog under NSN 3120-00-492-2211. 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.