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Technical Data Sheet
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CR376Z021 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CR376Z021: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-574-8970, 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
CR376Z021
NSN: 5330-01-574-8970
FSC: 5330 — Packing and Gasket Materials
CAGE: 4ZW64 — BROOKS INSTRUMENT LLC (USA)
SPECIFICATIONS
special_featuresEND ITEM:NUCLEAR POWER EQUIPMENT,WHEN ORDERING PART MUST HAVE METER NUMBER AND METER SERAL NUMBER,THIS INFO IS ON TAG ON METER SIDE PLATE
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIP PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TEST SPECIFICATIONS
criticality_code_justificationZZZW
NSN5330-01-574-8970
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CR376Z021 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
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIP PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TEST SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIP PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TEST SPECIFICATIONS
SPECIAL FEATURESEND ITEM:NUCLEAR POWER EQUIPMENT,WHEN ORDERING PART MUST HAVE METER NUMBER AND METER SERAL NUMBER,THIS INFO IS ON TAG ON METER SIDE PLATE
SUBSTITUTES & CROSS-REFERENCES 3
376B001QMAReference document
Same NSN cross-reference
Reference document — Secondary reference
M-1140-149ITEM9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A-376-B-001-QMASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 CR376Z021?
CR376Z021 is a GASKET.
What parts can replace CR376Z021?
There are 3 known substitutes for CR376Z021: 376B001QMA, M-1140-149ITEM9, A-376-B-001-QMA. Substitute compatibility should be verified for your specific system.
What is the NSN for CR376Z021?
CR376Z021 is cataloged in the U.S. Government catalog under NSN 5330-01-574-8970. This indicates validated use in U.S. government and defense supply chains.
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