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1602AS239 — HEAD AND DISK,SAFETY,PRESSURE RE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1602AS239: HEAD AND DISK,SAFETY,PRESSURE RE.

HEAD AND DISK,SAFETY,PRESSURE RE. Key specifications include disk_type: SOLID, head_type: UNION, disk_material: STEEL COMP 316, head_material: STEEL COMP 316, burst_pressure: 75.0 PRESSURE POUNDS PER SQUARE INCH GAGE, special_features: CLEAN FOR OXYGEN SERVICE IAW MIL-C-52211A METHOD A CLASS B,OR BS&B STANDARD QC-410 A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-424-9876, 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
1602AS239
NSN: 4820-01-424-9876
NIINs: 014249876, 014322988
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
disk_typeSOLID
head_typeUNION
disk_materialSTEEL COMP 316
head_materialSTEEL COMP 316
burst_pressure75.0 PRESSURE POUNDS PER SQUARE INCH GAGE
special_featuresCLEAN FOR OXYGEN SERVICE IAW MIL-C-52211A METHOD A CLASS B,OR BS&B STANDARD QC-410 A
features_providedPOLYTETRAFLUOROETHYLENE CONTROL
furnished_items_and_quantity1 NUT
NSN4820-01-424-9876
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1602AS239 · 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
•
DISK MATERIAL: STEEL CORROSION RESISTING
•
BURST PRESSURE: 125.0 PRESSURE POUNDS PER SQUARE INCH GAGE AND 140.0 PRESSURE POUNDS PER SQUARE INCH GAGE
•
HEAD TYPE: UNION
•
DISK TYPE: REVERSE BUCKLING
•
HEAD MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
DISK MATERIALSTEEL CORROSION RESISTING
BURST PRESSURE125.0 PRESSURE POUNDS PER SQUARE INCH GAGE AND 140.0 PRESSURE POUNDS PER SQUARE INCH GAGE
HEAD TYPEUNION
DISK TYPEREVERSE BUCKLING
HEAD MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1602AS239?
1602AS239 is a HEAD AND DISK,SAFETY,PRESSURE RE.
What is the NSN for 1602AS239?
1602AS239 is cataloged in the U.S. Government catalog under NSN 4820-01-424-9876. 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.