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M-BVM8-31926 — STEM,NEEDLE VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M-BVM8-31926: STEM,NEEDLE VALVE.

The STEM,NEEDLE VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400, end_item_identification: ASTUTE, stem_actuating_end_type: HEXAGON MALE, valve_size_for_which_designed: 0.500 INCHES IN, part_name_assigned_by_controlling_agency: BLEED VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-600-4387, 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
M-BVM8-31926
NSN: 4820-01-600-4387
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
special_featuresITEM COMPRISED OF ALLOY 400/B164 STEM;ALLOY 400/B164 BODY;ALLOY 400 BACKSTOP SCREW WHICH PREVENTS ACCIDENTAL STEM DISASSEMBLY;ALLOY 400/B165 VENT TUBE WHICH DIRECTS EXCESS GAS FROM SYSTEM LINES
end_item_identificationASTUTE
stem_actuating_end_typeHEXAGON MALE
valve_size_for_which_designed0.500 INCHES IN
part_name_assigned_by_controlling_agencyBLEED VALVE
NSN4820-01-600-4387
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M-BVM8-31926 · 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
•
STEM ACTUATING END TYPE: HEXAGON MALE
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: NICKEL ALLOY 400
TECHNICAL CHARACTERISTICS
STEM ACTUATING END TYPEHEXAGON MALE
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
SPECIAL FEATURESITEM COMPRISED OF ALLOY 400/B164 STEM;ALLOY 400/B164 BODY;ALLOY 400 BACKSTOP SCREW WHICH PREVENTS ACCIDENTAL STEM DISASSEMBLY;ALLOY 400/B165 VENT TUBE WHICH DIRECTS EXCESS GAS FROM SYSTEM LINES
PART NAME ASSIGNED BY CONTROLLING AGENCYBLEED VALVE
END ITEM IDENTIFICATIONASTUTE
MATERIALNICKEL ALLOY 400
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
M-BVM8-31926-TECHReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M-BVM8-31926?
M-BVM8-31926 is a STEM,NEEDLE VALVE.
What parts can replace M-BVM8-31926?
There is 1 known substitute for M-BVM8-31926: M-BVM8-31926-TECH. Substitute compatibility should be verified for your specific system.
What is the NSN for M-BVM8-31926?
M-BVM8-31926 is cataloged in the U.S. Government catalog under NSN 4820-01-600-4387. 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.