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2M340 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

2M340: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: RUBBER SYNTHETIC, body_style: RECTANGULAR BUSHING MOUNTED, body_width: 0.625 INCHES NOMINAL IN, body_height: 0.725 INCHES NOMINAL IN, body_length: 1.047 INCHES NOMINAL IN, shaft_style: ROUND, STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-979-5501, 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→ 2M340
NSN: 5331-00-979-5501
NIINs: 009795501, 012228145
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
body_styleRECTANGULAR BUSHING MOUNTED
body_width0.625 INCHES NOMINAL IN
body_height0.725 INCHES NOMINAL IN
body_length1.047 INCHES NOMINAL IN
shaft_styleROUND, STEPPED
shaft_length1.250 INCHES NOMINAL IN
actuator_typeDUAL CONCENTRIC
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
terminal_length0.203 INCHES NOMINAL IN
undercut_length0.625 INCHES NOMINAL IN
NSN5331-00-979-5501
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2M340 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 8.407 INCHES MINIMUM AND 8.464 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER8.407 INCHES MINIMUM AND 8.464 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2M340?
2M340 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 2M340?
2M340 is cataloged in the U.S. Government catalog under NSN 5331-00-979-5501. 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.