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515-4457059 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

515-4457059: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: TIN AND COPPER ALLOY, inside_diameter: 0.881 INCHES NOMINAL IN, special_features: 12 HOLES 0.421 IN. DIA,0.687 IN.

DP,THD 0.500-13 UNC-2B IN, style_designator: SWING CHECK, under_flange_height: 3.125 INCHES NOMINAL IN, end_item_identification: SSN688 CLASS SUBMARINE MBT VENT VALVE. This part is cataloged in the U.S. Government catalog under NSN 4820-01-232-4853, 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
515-4457059
NSN: 4820-01-232-4853
NIINs: 012324853, 012328460, 012328462
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialTIN AND COPPER ALLOY
inside_diameter0.881 INCHES NOMINAL IN
special_features12 HOLES 0.421 IN. DIA,0.687 IN. DP,THD 0.500-13 UNC-2B IN
style_designatorSWING CHECK
under_flange_height3.125 INCHES NOMINAL IN
end_item_identificationSSN688 CLASS SUBMARINE MBT VENT VALVE
media_for_which_designedAIR
flange_seat_to_disk_end_height2.437 INCHES NOMINAL IN
NSN4820-01-232-4853
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 515-4457059 · 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
•
STYLE DESIGNATOR: SWING CHECK
•
INSIDE DIAMETER: 0.881 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: AIR
•
MATERIAL: TIN AND COPPER ALLOY
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSWING CHECK
INSIDE DIAMETER0.881 INCHES NOMINAL IN
SPECIAL FEATURESGROUP 6002-3000-100
MEDIA FOR WHICH DESIGNEDAIR
END ITEM IDENTIFICATIONSSN688 CLASS SUBMARINE MBT VENT VALVE
MATERIALTIN AND COPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
515-4457059 ITEM 12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6002-95Reference 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 demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 515-4457059?
515-4457059 is a DISK,VALVE.
What parts can replace 515-4457059?
There are 2 known substitutes for 515-4457059: 515-4457059 ITEM 12, 6002-95. Substitute compatibility should be verified for your specific system.
What is the NSN for 515-4457059?
515-4457059 is cataloged in the U.S. Government catalog under NSN 4820-01-232-4853. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.