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121710 — DIAPHRAGM,CHAMBER,BRAKE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

121710: DIAPHRAGM,CHAMBER,BRAKE.

The DIAPHRAGM,CHAMBER,BRAKE is a the manufacturer industrial component. Key specifications include hole_diameter: 0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, diaphragm_type: FLANGED ANGULAR RECESSED, outside_diameter: 13.5 INCHES NOMINAL IN, special_features: TYPE 24LS 3 INCH IN, style_designator: CIRCULAR, aperture_diameter: 8.75 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-099-7792, 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
121710
NSN: 4320-01-099-7792
NIINs: 010997792, 011507983, 014823584, 014952965, 016152973, 016579906
FSC: 4320 — Power and Hand Pumps
CAGE: 16859 — CRANE CO DBA CRANE-DEMING PUMPS DIVISION DIV DEMING PUMPS (USA)
SPECIFICATIONS
hole_diameter0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
diaphragm_typeFLANGED ANGULAR RECESSED
outside_diameter13.5 INCHES NOMINAL IN
special_featuresTYPE 24LS 3 INCH IN
style_designatorCIRCULAR
aperture_diameter8.75 INCHES NOMINAL IN
bolt_hole_quantity8
end_item_identificationHEATER ELECTRIC
part_name_assigned_by_controlling_agencyDIAPHRAM
NSN4320-01-099-7792
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DIAPHRAGM,CHAMBER,BRAKE TITLE COMPONENT PN 121710 MFR DIAPHRAGM,CHAMBER,BRAK
KEY FEATURES
•
DESIGN TYPE: SINGLE WIDTH
•
OVERALL DIAMETER: 9.500 INCHES NOMINAL IN
•
BLADE QUANTITY: 5
•
MATERIAL: COPPER ALLOY
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
•
BLADE TYPE: FORWARD CURVE
TECHNICAL CHARACTERISTICS
DESIGN TYPESINGLE WIDTH
OVERALL DIAMETER9.500 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
BLADE QUANTITY5
END ITEM IDENTIFICATIONUSED IN FIRE PUMP ONBOARD 140 FT WTGB COAST GUARD VESSELS FT
MATERIALCOPPER ALLOY
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
BLADE TYPEFORWARD CURVE
SUBSTITUTES & CROSS-REFERENCES 1
8067186Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121710?
121710 is a DIAPHRAGM,CHAMBER,BRAKE.
What parts can replace 121710?
There is 1 known substitute for 121710: 8067186. Substitute compatibility should be verified for your specific system.
What is the NSN for 121710?
121710 is cataloged in the U.S. Government catalog under NSN 4320-01-099-7792. 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.