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Technical Data Sheet
PartsTable / COMPONENT / 7768151
7768151 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY BODY, overall_height: 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MAXIMUM FACE, style_designator: PLAIN, seat_angle_in_deg: 0.750 NOMINAL, body_inside_diameter: 1.123 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-776-8151, 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
7768151
NSN: 4820-00-776-8151
FSC: 4820
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOBALT ALLOY BODY
overall_height0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MAXIMUM FACE
style_designatorPLAIN
seat_angle_in_deg0.750 NOMINAL
body_inside_diameter1.123 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN
body_outside_diameter1.377 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
NSN4820-00-776-8151
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7768151 · 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
•
SEATING SURFACE SHAPE: ANGULAR
•
HARDNESS RATING: 45.0 ROCKWELL C MAXIMUM FACE
•
BODY OUTSIDE DIAMETER: 1.377 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.123 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN
•
MATERIAL: COBALT ALLOY BODY
•
SEAT ANGLE IN DEG: 0.750 NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEANGULAR
HARDNESS RATING45.0 ROCKWELL C MAXIMUM FACE
HARDNESS RATING40.0 ROCKWELL C MINIMUM BODY
BODY OUTSIDE DIAMETER1.377 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.123 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN
OVERALL HEIGHT0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIALCOBALT ALLOY BODY
SEAT ANGLE IN DEG0.750 NOMINAL
STYLE DESIGNATORPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
607-2INInterchangeable
interchangeable cross-reference
interchangeable
6250Interchangeable
interchangeable cross-reference
interchangeable
1551AS275-2Interchangeable
interchangeable cross-reference
interchangeable
C08895Interchangeable
interchangeable cross-reference
interchangeable
49759Interchangeable
interchangeable cross-reference
interchangeable
120 59/64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7768151?
7768151 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace 7768151?
There are 34 known substitutes for 7768151: 607-2IN, 6250, 1551AS275-2 and 31 more. Substitute compatibility should be verified for your specific system.
Is 7768151 still available?
7768151 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026