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Technical Data Sheet
374553 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: GLASS OPTICAL, fsc_application_data: DISPLAY UNIT,HEAD-UP AN/AVQ-28, material_document_and_classification: MIL-G-174 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-928-8876, 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
374553
NSN: 5330-00-928-8876
FSC: 5330
CAGE: 14892 — BENDIX CORP THE BRAKE AND STEERING DIV (USA)
SPECIFICATIONS
materialGLASS OPTICAL
fsc_application_dataDISPLAY UNIT,HEAD-UP AN/AVQ-28
material_document_and_classificationMIL-G-174 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5330-00-928-8876
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 374553 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10150211Interchangeable
interchangeable cross-reference
interchangeable
37455-3Interchangeable
interchangeable cross-reference
interchangeable
6-590-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 374553?
374553 is a WASHER,FLAT.
What parts can replace 374553?
There are 3 known substitutes for 374553: 10150211, 37455-3, 6-590-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 374553?
374553 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-928-8876. This indicates validated use in U.S. government and defense supply chains.
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