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1321580 — VALVE,DIAPHRAGM,STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1321580: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN, OPTIONAL END (PIPE) ALL ENDS, special_features: SUBPLATE MOUNTED, thread_direction: RIGHT-HAND ALL ENDS, mounting_position: HORIZONTAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-132-0583, 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
1321580
NSN: 4820-01-132-0583
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN, OPTIONAL END (PIPE) ALL ENDS
special_featuresSUBPLATE MOUNTED
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size1.000 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
end_item_identification170FT PATROL COASTAL (PC-1) CLASS SHIPS FT
NSN4820-01-132-0583
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1321580 · 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 6
118188Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
10525653Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
378414Reference document
Same NSN cross-reference
Reference document — Secondary reference
6322-118181Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4820011320583Reference document
Same NSN cross-reference
Reference document — Informative reference only
118181Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1321580?
1321580 is a VALVE,DIAPHRAGM,STOP.
What parts can replace 1321580?
There are 6 known substitutes for 1321580: 118188, 10525653, 378414 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1321580?
1321580 is cataloged in the U.S. Government catalog under NSN 4820-01-132-0583. This indicates validated use in U.S. government and defense supply chains.
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