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845-4558730-17 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

845-4558730-17: 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 4820-01-729-6531, 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
845-4558730-17
NSN: 4820-01-729-6531
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)
NSN4820-01-729-6531
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-4558730-17 · 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
SUBSTITUTES & CROSS-REFERENCES 5
2642-742Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2642-742-01-17L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2641-742 IT 21L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2641-742 IT 21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2642-742-01-17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 845-4558730-17?
845-4558730-17 is a SEAT,VALVE.
What parts can replace 845-4558730-17?
There are 5 known substitutes for 845-4558730-17: 2642-742, 2642-742-01-17L1, 2641-742 IT 21L1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-4558730-17?
845-4558730-17 is cataloged in the U.S. Government catalog under NSN 4820-01-729-6531. This indicates validated use in U.S. government and defense supply chains.
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