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2642742 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2642742: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include shape: SQUARE, window: NOT INCLUDED, overall_width: 18.120 INCHES NOMINAL IN, overall_length: 18.250 INCHES NOMINAL IN, end_item_identification: CONTAINERS,GROUP TWO, part_name_assigned_by_controlling_agency: CONTAINER ASSEMBLY (EXPENDABLE). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-499-9822, 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
2642742
NSN: 4820-01-499-9822
NIINs: 014999822, 015899289, 017296531
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
shapeSQUARE
windowNOT INCLUDED
overall_width18.120 INCHES NOMINAL IN
overall_length18.250 INCHES NOMINAL IN
end_item_identificationCONTAINERS,GROUP TWO
part_name_assigned_by_controlling_agencyCONTAINER ASSEMBLY (EXPENDABLE)
NSN4820-01-499-9822
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2642742 · 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
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 3.1250 INCHES ALL ENDS IN
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
OPERATING PRESSURE: 650.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 1.0000 INCHES IN
•
NOMINAL OUTSIDE DIAMETER: 0.6875 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.1250 INCHES ALL ENDS IN
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
OPERATING PRESSURE650.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE1.0000 INCHES IN
NOMINAL OUTSIDE DIAMETER0.6875 INCHES ALL ENDS IN
BOLT HOLE QUANTITY4 ALL ENDS
FACE TO FACE DISTANCE8.1875 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 3
845-4558730 ASSY RAReference document
Same NSN cross-reference
Reference document — Secondary reference
2642-742-01 ASSY RASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4558730Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 2642742?
2642742 is a SEAT,VALVE.
What parts can replace 2642742?
There are 3 known substitutes for 2642742: 845-4558730 ASSY RA, 2642-742-01 ASSY RA, 4558730. Substitute compatibility should be verified for your specific system.
What is the NSN for 2642742?
2642742 is cataloged in the U.S. Government catalog under NSN 4820-01-499-9822. This indicates validated use in U.S. government and defense supply chains.
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