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30053 — COUPLER,ROTARY,RADIO FREQUENCY

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

30053: COUPLER,ROTARY,RADIO FREQUENCY.

A large lotto game to travel the world with animals through the 5 illustrated boards and 30 tokens. Each child chooses one or more boards. The images are shuffled and stacked face down.

The children take turns drawing: the first to complete their board wins! This part is cataloged in the U.S. Government catalog under NSN 5330-00-073-3342, 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→ 30053
NSN: 5330-00-073-3342
NIINs: 000733342, 001000331, 001135185, 002039376, 002454721, 003904064, 010431002, 010446019, 010766075, 013535197, 014592156, 016203324
FSC: 5330 — Packing and Gasket Materials
CAGE: 59431 — TECUMSEH PRODUCTS COMPANY LLC DIV TECUMSEH COMPRESSOR CO. LLC (USA)
SPECIFICATIONS
special_featuresELEVATOR HYDRAULIC POWER CONTROL ACTUATOR
part_name_assigned_by_controlling_agencyMANIFOLD ASSEMBLY ELEVATOR ACTUATOR
NSN5330-00-073-3342
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30053 MFR: Nathan ⚠ 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
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CROSS-SECTIONAL THICKNESS: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-7021,CL 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
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CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
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OUTSIDE DIAMETER: 5.375 INCHES NOMINAL IN
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APERTURE DIAMETER: 4.000 INCHES NOMINAL IN
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BOLT CIRCLE DIAMETER: 4.688 INCHES NOMINAL IN
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MATERIAL: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
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HOLE DIAMETER: 0.313 INCHES MINIMUM AND 0.323 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-7021,CL 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER5.375 INCHES NOMINAL IN
APERTURE DIAMETER4.000 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER4.688 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.313 INCHES MINIMUM AND 0.323 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
Manufacturer release date (catalog record)2018-12-02
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30053?
30053 is a COUPLER,ROTARY,RADIO FREQUENCY manufactured by Nathan. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 30053?
30053 is cataloged in the U.S. Government catalog under NSN 5330-00-073-3342. 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.