PartsTable
Technical Data Sheet
1-49 ✓ Verified by PartsTable
· GATE VALVE
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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include color: BLUE OVERALL, phase: SINGLE INPUT, height: 0.442 INCHES NOMINAL IN, length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, diameter: 0.680 INCHES NOMINAL IN, material: ALUMINUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-068-1610, 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
1-49
NSN: 4820-00-068-1610
FSC: 4820
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
colorBLUE OVERALL
phaseSINGLE INPUT
height0.442 INCHES NOMINAL IN
length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
diameter0.680 INCHES NOMINAL IN
materialALUMINUM OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
base_styleSUB-MINIATURE TWO PIN
bulb_styleT (TUBULAR)
drive_typeKEYWAY
duty_cycleCONTINUOUS
flat_depth0.048 INCHES NOMINAL SINGLE END IN
NSN4820-00-068-1610
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 1-49 · 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
VALVE OPERATION METHOD: AUTOMATIC
DISK LOADING METHOD: SPRING
CONNECTION STYLE: PLAIN (PIPE) FIRST END
BONNET TYPE: INSIDE SPRING
FLOW CONTROL DEVICE: POPPET
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
DISK LOADING METHODSPRING
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
BONNET TYPEINSIDE SPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
149/.50Interchangeable
interchangeable cross-reference
interchangeable
149-1/2INInterchangeable
interchangeable cross-reference
interchangeable
2550-1-2-15Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-49?
1-49 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 1-49?
There are 3 known substitutes for 1-49: 149/.50, 149-1/2IN, 2550-1-2-15. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-49?
1-49 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-068-1610. This indicates validated use in U.S. government and defense supply chains.
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