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H-7814 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The HOLDER,VALVE STEM SPRING is a the manufacturer industrial component. Key specifications include special_features: WEAPON SYSTEM ESSENTIAL, end_item_identification: TERRY STEAM TURBINE TYPE ZSWN, criticality_code_justification: FEAT, material_document_and_classification: QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE, general_characteristics_item_description: CRES,QQ-S-763,CL 416 COND A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-010-8058, 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
H-7814
NSN: 4730-01-010-8058
FSC: 4730
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identificationTERRY STEAM TURBINE TYPE ZSWN
criticality_code_justificationFEAT
material_document_and_classificationQQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
general_characteristics_item_descriptionCRES,QQ-S-763,CL 416 COND A
NSN4730-01-010-8058
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H-7814 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES QQ-S-763 CL 410,COND A
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONTERRY CO STEAM TURBINE TYPE ZSWN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES QQ-S-763 CL 410,COND A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
VARIABLE CONTRAST PAPERInterchangeable
interchangeable cross-reference
interchangeable
499021Interchangeable
interchangeable cross-reference
interchangeable
7-300-000381Interchangeable
interchangeable cross-reference
interchangeable
PLH7814PC104Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-7814?
H-7814 is a HOLDER,VALVE STEM SPRING.
What parts can replace H-7814?
There are 4 known substitutes for H-7814: VARIABLE CONTRAST PAPER, 499021, 7-300-000381 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H-7814?
H-7814 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-010-8058. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026