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B-46641 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B-46641: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include special_features: OUTSIDE DIA. 1.625, operating_pressure: 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, part_name_assigned_by_controlling_agency: VALVE ASSEMBLY.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-540-0037, 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-46641
NSN: 4820-01-540-0037
FSC: 4820 — Valves, Nonpowered
CAGE: 55724 — THERMAL TRANSFER PRODUCTS LTD (USA)
SPECIFICATIONS
special_featuresOUTSIDE DIA. 1.625
operating_pressure30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
part_name_assigned_by_controlling_agencyVALVE ASSEMBLY
NSN4820-01-540-0037
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-46641 · 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
•
OPERATING PRESSURE: 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
OPERATING PRESSURE30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESOUTSIDE DIA. 1.625
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE ASSEMBLY
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
MLB-46641Same 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-46641?
B-46641 is a VALVE,SAFETY RELIEF.
What parts can replace B-46641?
There is 1 known substitute for B-46641: MLB-46641. Substitute compatibility should be verified for your specific system.
What is the NSN for B-46641?
B-46641 is cataloged in the U.S. Government catalog under NSN 4820-01-540-0037. This indicates validated use in U.S. government and defense supply chains.
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