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7550478-A39 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7550478-A39: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: VALVEZBALLZ1.500NPS, reference_number_differentiating_characteristics: QUALITY CONTROLLED IAW NAVY LEVEL1 ASSURANCE GUIDE, CLEANED IAW MIL-C- 52211. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-548-7724, 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
7550478-A39
NSN: 4820-01-548-7724
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyVALVEZBALLZ1.500NPS
reference_number_differentiating_characteristicsQUALITY CONTROLLED IAW NAVY LEVEL1 ASSURANCE GUIDE, CLEANED IAW MIL-C- 52211
NSN4820-01-548-7724
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7550478-A39 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROLLED IAW NAVY LEVEL1 ASSURANCE GUIDE, CLEANED IAW MIL-C- 52211
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVEZBALLZ1.500NPS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROLLED IAW NAVY LEVEL1 ASSURANCE GUIDE, CLEANED IAW MIL-C- 52211
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 9
2643-405-01 ASSY IRLReference document
Same NSN cross-reference
Reference document — Secondary reference
11-NS-0572C1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
845-7285244 ASSY IRLC1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G547-0002-A39Reference document
Same NSN cross-reference
Reference document — Secondary reference
11-NS-0572Reference document
Same NSN cross-reference
Reference document — Secondary reference
845-7285244 ASSY IRLReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 7550478-A39?
7550478-A39 is a VALVE,BALL.
What parts can replace 7550478-A39?
There are 9 known substitutes for 7550478-A39: 2643-405-01 ASSY IRL, 11-NS-0572C1, 845-7285244 ASSY IRLC1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7550478-A39?
7550478-A39 is cataloged in the U.S. Government catalog under NSN 4820-01-548-7724. This indicates validated use in U.S. government and defense supply chains.
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