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M553 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

M553: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include length: 5.750 INCHES NOMINAL IN, cab_type: OVER ENGINE, material: STEEL, boom_type: SINGLE TELESCOPING, mesh_size: 80.0, winch_type: SINGLE DRUM LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-419-9092, 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→ M553
NSN: 4730-00-419-9092
NIINs: 004199092, 008735426, 014593612
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 97484 — EATON AEROSPACE LLC DIV FLUID AND ELECTRICAL DISTRIBUTION DIVISION (USA)
SPECIFICATIONS
length5.750 INCHES NOMINAL IN
cab_typeOVER ENGINE
materialSTEEL
boom_typeSINGLE TELESCOPING
mesh_size80.0
winch_typeSINGLE DRUM LOCATION NOT OTHERWISE SPECIFIED
load_rating10000.0 POUNDS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
cab_roof_typeOPEN
wire_diameter0.00550 INCHES NOMINAL IN
wheel_quantity4
winch_locationFRONT LOCATION NOT OTHERWISE SPECIFIED
axle_drive_typeCONVENTIONAL
NSN4730-00-419-9092
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M553 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FILTERING MEDIA DESIGN: MESH
•
LENGTH: 5.750 INCHES NOMINAL IN
•
MESH SIZE: 80.0
•
END CONNECTION TYPE: FLANGED FIRST END
•
STYLE DESIGNATOR: CYLINDRICAL
•
ELEMENT OUTSIDE DIAMETER: 1.680 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNMESH
LENGTH5.750 INCHES NOMINAL IN
MESH SIZE80.0
END CONNECTION TYPEFLANGED FIRST END
END CONNECTION TYPECONCAVE SECOND END
STYLE DESIGNATORCYLINDRICAL
ELEMENT OUTSIDE DIAMETER1.680 INCHES NOMINAL IN
SPECIAL FEATURESOD OF FLANGE HAS APPROX 2 THDS,2 IN. 11-1/2 NPT IN
SURFACE TREATMENTZINC
MATERIALSTEEL
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 M553?
M553 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What is the NSN for M553?
M553 is cataloged in the U.S. Government catalog under NSN 4730-00-419-9092. 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.