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373923 — HOUSING,MECHANICAL DRIVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

373923: HOUSING,MECHANICAL DRIVE.

The HOUSING,MECHANICAL DRIVE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 0.512 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, end_item_identification: W/S HELICOPTER, SEA KNIGHT H-46, material_document_and_classification: AISI H11 FED STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-391-3608, 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
373923
NSN: 5330-00-391-3608
NIINs: 003913608, 006769825, 012609997
FSC: 5330 — Packing and Gasket Materials
CAGE: 14892 — BENDIX CORP THE BRAKE AND STEERING DIV (USA)
SPECIFICATIONS
materialSTEEL
overall_length0.512 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
end_item_identificationW/S HELICOPTER, SEA KNIGHT H-46
material_document_and_classificationAISI H11 FED STD SINGLE MATERIAL RESPONSE
NSN5330-00-391-3608
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 373923 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
•
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 4
17A373923Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
07-864843Reference document
Same NSN cross-reference
Reference document — Secondary reference
864843Reference document
Same NSN cross-reference
Reference document — Secondary reference
863170Reference 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 373923?
373923 is a HOUSING,MECHANICAL DRIVE.
What parts can replace 373923?
There are 4 known substitutes for 373923: 17A373923, 07-864843, 864843 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 373923?
373923 is cataloged in the U.S. Government catalog under NSN 5330-00-391-3608. 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.