PartsTable
Technical Data Sheet
105-251 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The FUSEHOLDER,EXTRACTOR POST is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CONTACT, body_style: THREADED BUSHING MOUNTED, body_length: 0.750 INCHES NOMINAL IN, thread_class: 2A A, terminal_type: TAB, SOLDER LUG, overall_length: 1.062 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-019-9611, 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
MRO MRO_GENERAL 105-251
NSN: 4820-00-019-9611
FSC: 4820
CAGE: 31441 — AMERICAN SAFETY FLIGHT SYSTEMS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY CONTACT
body_styleTHREADED BUSHING MOUNTED
body_length0.750 INCHES NOMINAL IN
thread_class2A A
terminal_typeTAB, SOLDER LUG
overall_length1.062 INCHES NOMINAL IN
bushing_diameter0.500 INCHES NOMINAL IN
connection_styleGASKET SEAL(BOSS) FIRST END
overall_diameter0.281 INCHES NOMINAL IN
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
precious_materialSILVER
NSN4820-00-019-9611
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 105-251 · 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
NOMINAL THREAD SIZE: 0.125 INCHES FIRST END IN
THREAD QUANTITY PER INCH: 27 SECOND END
MEDIA FOR WHICH DESIGNED: OXYGEN, LIQUID SINGLE RESPONSE
THREAD SERIES DESIGNATOR: ANPT FIRST END
OPERATING PRESSURE: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.125 INCHES FIRST END IN
THREAD QUANTITY PER INCH27 SECOND END
MEDIA FOR WHICH DESIGNEDOXYGEN, LIQUID SINGLE RESPONSE
THREAD SERIES DESIGNATORANPT FIRST END
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
THREAD SERIES DESIGNATORANPT SECOND END
THREAD QUANTITY PER INCH27 FIRST END
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORANGLE
CONNECTION STYLEGASKET SEAL(BOSS) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
MIL-V-9050Interchangeable
interchangeable cross-reference
interchangeable
M9050-4Interchangeable
interchangeable cross-reference
interchangeable
9050-4Interchangeable
interchangeable cross-reference
interchangeable
105-0251-001Interchangeable
interchangeable cross-reference
interchangeable
105-251-1Interchangeable
interchangeable cross-reference
interchangeable
B94.2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 105-251?
105-251 is a FUSEHOLDER,EXTRACTOR POST. It is classified as a MRO (MRO_GENERAL).
What parts can replace 105-251?
There are 26 known substitutes for 105-251: MIL-V-9050, M9050-4, 9050-4 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 105-251?
105-251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-019-9611. This indicates validated use in U.S. government and defense supply chains.
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