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PartsTable / COMPONENT / 2640-613 PIECE 9
2640-613 PIECE 9 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, overall_length: 4.250 INCHES NOMINAL IN, valve_size_for_which_designed: 0.125 INCHES AND 0.250 INCHES AND 0.375 INCHES AND 0.500 INCHES IN, material_document_and_classification: QQ-B-679,COMP 2 FED 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 4820-01-136-4751, 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
2640-613 PIECE 9
NSN: 4820-01-136-4751
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_length4.250 INCHES NOMINAL IN
valve_size_for_which_designed0.125 INCHES AND 0.250 INCHES AND 0.375 INCHES AND 0.500 INCHES IN
material_document_and_classificationQQ-B-679,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-136-4751
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2640-613 PIECE 9 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-679,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 0.125 INCHES AND 0.250 INCHES AND 0.375 INCHES AND 0.500 INCHES IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-679,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
VALVE SIZE FOR WHICH DESIGNED0.125 INCHES AND 0.250 INCHES AND 0.375 INCHES AND 0.500 INCHES IN
MATERIALALUMINUM ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
122-7270390 PC 53Interchangeable
interchangeable cross-reference
interchangeable
607-6225287 ITEInterchangeable
interchangeable cross-reference
interchangeable
2498-00-313-9 S Z-8TO20 TY-IInterchangeable
interchangeable cross-reference
interchangeable
2640-612Interchangeable
interchangeable cross-reference
interchangeable
845-2050997Interchangeable
interchangeable cross-reference
interchangeable
845-2050999Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2640-613 PIECE 9?
2640-613 PIECE 9 is a STEM,FLUID VALVE.
What parts can replace 2640-613 PIECE 9?
There are 14 known substitutes for 2640-613 PIECE 9: 122-7270390 PC 53, 607-6225287 ITE, 2498-00-313-9 S Z-8TO20 TY-I and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2640-613 PIECE 9?
2640-613 PIECE 9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-136-4751. 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