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B-4CPA2-150 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B-4CPA2-150: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND STEEL COMP 316 BODY, surface_treatment: ANODIZE LOCATION NOT OTHERWISE SPECIFIED, media_for_which_designed: LIQUID SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-332-9386, 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
B-4CPA2-150
NSN: 4820-01-332-9386
FSC: 4820 — Valves, Nonpowered
CAGE: 18034 — NUPRO CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND STEEL COMP 316 BODY
surface_treatmentANODIZE LOCATION NOT OTHERWISE SPECIFIED
media_for_which_designedLIQUID SINGLE RESPONSE
NSN4820-01-332-9386
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-4CPA2-150 · 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
•
SURFACE TREATMENT: ANODIZE LOCATION NOT OTHERWISE SPECIFIED
•
MEDIA FOR WHICH DESIGNED: LIQUID SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY AND STEEL COMP 316 BODY
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
MEDIA FOR WHICH DESIGNEDLIQUID SINGLE RESPONSE
MATERIALCOPPER ALLOY AND STEEL COMP 316 BODY
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 1
MZ8626-801Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-4CPA2-150?
B-4CPA2-150 is a VALVE,SAFETY RELIEF.
What parts can replace B-4CPA2-150?
There is 1 known substitute for B-4CPA2-150: MZ8626-801. Substitute compatibility should be verified for your specific system.
What is the NSN for B-4CPA2-150?
B-4CPA2-150 is cataloged in the U.S. Government catalog under NSN 4820-01-332-9386. 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.