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255721 PIECE 14 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

255721 PIECE 14: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: VALVES TOP LOADED-BALL STOP STRAIGHT 1/4-3IN. (AIR BLEED TYPE) IN, general_characteristics_item_description: CRES 301;0.469 IN.

LG;0.094 IN. THK;0.562 IN. W IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-059-5996, 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
255721 PIECE 14
NSN: 4820-01-059-5996
NIINs: 010595996, 013592831
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
end_item_identificationVALVES TOP LOADED-BALL STOP STRAIGHT 1/4-3IN. (AIR BLEED TYPE) IN
general_characteristics_item_descriptionCRES 301;0.469 IN. LG;0.094 IN. THK;0.562 IN. W IN
NSN4820-01-059-5996
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 255721 PIECE 14 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBALL AND SEAT SET
END ITEM IDENTIFICATIONVALVE B .25IPS 45OOPSI SWLDG CRS
SUBSTITUTES & CROSS-REFERENCES 2
2641-809-41IT22640-801X2PC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
2641-405-01ITEM40,63Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 255721 PIECE 14?
255721 PIECE 14 is a PARTS KIT,BALL VALVE.
What parts can replace 255721 PIECE 14?
There are 2 known substitutes for 255721 PIECE 14: 2641-809-41IT22640-801X2PC3, 2641-405-01ITEM40,63. Substitute compatibility should be verified for your specific system.
What is the NSN for 255721 PIECE 14?
255721 PIECE 14 is cataloged in the U.S. Government catalog under NSN 4820-01-059-5996. This indicates validated use in U.S. government and defense supply chains.
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