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42256A03803 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

42256A03803: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 0.332 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, inside_diameter: 1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN, outside_diameter: 1.997 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN, style_designator: PLAIN, media_for_which_designed: AIR OR WATER, HOT OR GAS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-949-8271, 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
42256A03803
NSN: 4820-00-949-8271
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialRUBBER
overall_height0.332 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
inside_diameter1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
outside_diameter1.997 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN
style_designatorPLAIN
media_for_which_designedAIR OR WATER, HOT OR GAS
NSN4820-00-949-8271
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 42256A03803 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 1.997 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
•
MEDIA FOR WHICH DESIGNED: AIR OR WATER, HOT OR GAS
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.332 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.997 INCHES MINIMUM AND 2.017 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
INSIDE DIAMETER1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
MEDIA FOR WHICH DESIGNEDAIR OR WATER, HOT OR GAS
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42256A03803?
42256A03803 is a BEARING,BALL,ANNULAR.
What is the NSN for 42256A03803?
42256A03803 is cataloged in the U.S. Government catalog under NSN 4820-00-949-8271. 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.