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437B930 PIECE 1 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

437B930 PIECE 1: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, special_features: CONSISTS OF FOUR SEGMENTS, peripheral_diameter: 9.895 INCHES MINIMUM AND 9.905 INCHES MAXIMUM IN, cross-sectional_height: 0.970 INCHES NOMINAL IN, end_item_identification: STEAM TURBINE GENERAL ELECTRIC SER NO. 1A2097 AND 128372, material_document_and_classification: B11G21A,FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-212-4644, 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
437B930 PIECE 1
NSN: 5330-01-212-4644
FSC: 5330 — Packing and Gasket Materials
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
special_featuresCONSISTS OF FOUR SEGMENTS
peripheral_diameter9.895 INCHES MINIMUM AND 9.905 INCHES MAXIMUM IN
cross-sectional_height0.970 INCHES NOMINAL IN
end_item_identificationSTEAM TURBINE GENERAL ELECTRIC SER NO. 1A2097 AND 128372
material_document_and_classificationB11G21A,FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-212-4644
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 437B930 PIECE 1 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
•
CROSS-SECTIONAL HEIGHT: 0.970 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: B11G21A,FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL DIAMETER: 9.895 INCHES MINIMUM AND 9.905 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.970 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONB11G21A,FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER9.895 INCHES MINIMUM AND 9.905 INCHES MAXIMUM IN
SPECIAL FEATURESCONSISTS OF FOUR SEGMENTS
END ITEM IDENTIFICATIONSTEAM TURBINE GENERAL ELECTRIC SER NO. 1A2097 AND 128372
MATERIALCOPPER ALLOY OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
437B930 SER.N0. 1A2097AND128372Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 437B930 PIECE 1?
437B930 PIECE 1 is a RETAINER,PACKING.
What parts can replace 437B930 PIECE 1?
There is 1 known substitute for 437B930 PIECE 1: 437B930 SER.N0. 1A2097AND128372. Substitute compatibility should be verified for your specific system.
What is the NSN for 437B930 PIECE 1?
437B930 PIECE 1 is cataloged in the U.S. Government catalog under NSN 5330-01-212-4644. This indicates validated use in U.S. government and defense supply chains.
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