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B40835-1 — RETAINER,FILTER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B40835-1: RETAINER,FILTER.

The RETAINER,FILTER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 0.250 INCHES NOMINAL IN, overall_diameter: 0.371 INCHES NOMINAL IN, special_features: MATERIAL: CRES TYPE 17-4PH COND A IAW AMS 5643, HEAT TREAT TO COND H900; TRACEABILITY REQUIRED BY LOT NUMBER, surface_treatment: PASSIVATE, end_item_identification: 4820-01-437-8164 VALVE ASSEMBLY MANIFOLD. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-535-4487, 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
B40835-1
NSN: 4820-01-535-4487
FSC: 4820 — Valves, Nonpowered
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length0.250 INCHES NOMINAL IN
overall_diameter0.371 INCHES NOMINAL IN
special_featuresMATERIAL: CRES TYPE 17-4PH COND A IAW AMS 5643, HEAT TREAT TO COND H900; TRACEABILITY REQUIRED BY LOT NUMBER
surface_treatmentPASSIVATE
end_item_identification4820-01-437-8164 VALVE ASSEMBLY MANIFOLD
thread_size_and_series/type_designator0.-24 UNF
general_characteristics_item_descriptionINTERNAL HEX .250 INCHES, EXTERNAL DIAMETER OF 0.312 ON 0.040 UNTHREADED LENGTH, DIA. OF 0.3714 +/- .0036 ON THREADED DIAMETER; 45 DEG. CHAMFER BOTH ENDS OF THREADED PORTION IN
part_name_assigned_by_controlling_agencyRETAINER, FILTER
NSN4820-01-535-4487
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B40835-1 · 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
•
OVERALL DIAMETER: 0.371 INCHES NOMINAL IN
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: INTERNAL HEX .250 INCHES, EXTERNAL DIAMETER OF 0.312 ON 0.040 UNTHREADED LENGTH, DIA. OF 0.3714 +/- .0036 ON THREADED DIAMETER; 45 DEG. CHAMFER BOTH ENDS OF THREADED PORTION IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.371 INCHES NOMINAL IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONINTERNAL HEX .250 INCHES, EXTERNAL DIAMETER OF 0.312 ON 0.040 UNTHREADED LENGTH, DIA. OF 0.3714 +/- .0036 ON THREADED DIAMETER; 45 DEG. CHAMFER BOTH ENDS OF THREADED PORTION IN
OVERALL LENGTH0.250 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL: CRES TYPE 17-4PH COND A IAW AMS 5643, HEAT TREAT TO COND H900; TRACEABILITY REQUIRED BY LOT NUMBER
SURFACE TREATMENTPASSIVATE
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER, FILTER
END ITEM IDENTIFICATION4820-01-437-8164 VALVE ASSEMBLY MANIFOLD
MATERIALSTEEL CORROSION RESISTING
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.-24 UNF
SUBSTITUTES & CROSS-REFERENCES 1
B40835Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B40835-1?
B40835-1 is a RETAINER,FILTER.
What parts can replace B40835-1?
There is 1 known substitute for B40835-1: B40835. Substitute compatibility should be verified for your specific system.
What is the NSN for B40835-1?
B40835-1 is cataloged in the U.S. Government catalog under NSN 4820-01-535-4487. This indicates validated use in U.S. government and defense supply chains.
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