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Technical Data Sheet
PartsTable / COMPONENT / T-1073
T-1073 ✓ 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

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include base_style: SINGLE CONTACT BAYONET CANDELABRA, bulb_style: S (STRAIGHT SIDE), inclosure_type: FULLY INCLOSED, overall_length: 2.000 INCHES MAXIMUM IN, voltage_rating: 12.800 VOLTS NOMINAL, wattage_rating: 23.040 WATTS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-477-6275, 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
T-1073
NSN: 4820-00-477-6275
FSC: 4820
CAGE: 08844 — MARATHONNORCO AEROSPACE, INC. (USA)
SPECIFICATIONS
base_styleSINGLE CONTACT BAYONET CANDELABRA
bulb_styleS (STRAIGHT SIDE)
inclosure_typeFULLY INCLOSED
overall_length2.000 INCHES MAXIMUM IN
voltage_rating12.800 VOLTS NOMINAL
wattage_rating23.040 WATTS
bulb_designatorS-8
connection_typeUNTHREADED EXTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorANGLE
rated_average_lifeHOURS
flow_control_deviceDISK
NSN4820-00-477-6275
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: T-1073 · 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
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE ALL ENDS
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
FLOW CONTROL DEVICE: DISK
•
STYLE DESIGNATOR: ANGLE
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS IN
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORANGLE
VALVE OPERATION METHODMANUAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
8107A052Interchangeable
interchangeable cross-reference
interchangeable
87-0434Interchangeable
interchangeable cross-reference
interchangeable
1504Interchangeable
interchangeable cross-reference
interchangeable
3035-4585 FIND NO 36Interchangeable
interchangeable cross-reference
interchangeable
T-1073Interchangeable
interchangeable cross-reference
interchangeable
31-1272-01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T-1073?
T-1073 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace T-1073?
There are 6 known substitutes for T-1073: 8107A052, 87-0434, 1504 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T-1073?
T-1073 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-477-6275. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026