PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 26M77-100 PIECE 20
26M77-100 PIECE 20 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE, overall_height: 0.157 INCHES NOMINAL IN, inside_diameter: 2.884 INCHES NOMINAL IN, pressure_rating: 1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 3.774 INCHES NOMINAL IN, special_features: OD TAPERED 30 DEG TO 3.647 IN. DIA,STARTING AT HALF WAY OF TOTAL HEIGHT 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 4820-01-161-5190, 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
26M77-100 PIECE 20
NSN: 4820-01-161-5190
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialPLASTIC POLYCHLOROTRIFLUOROETHYLENE
overall_height0.157 INCHES NOMINAL IN
inside_diameter2.884 INCHES NOMINAL IN
pressure_rating1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter3.774 INCHES NOMINAL IN
special_featuresOD TAPERED 30 DEG TO 3.647 IN. DIA,STARTING AT HALF WAY OF TOTAL HEIGHT IN
style_designatorPLAIN
NSN4820-01-161-5190
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 26M77-100 PIECE 20 · 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
•
MATERIAL: PLASTIC POLYCHLOROTRIFLUOROETHYLENE
•
PRESSURE RATING: 1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
OUTSIDE DIAMETER: 3.774 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.884 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE
OVERALL HEIGHT0.157 INCHES NOMINAL IN
PRESSURE RATING1000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
OUTSIDE DIAMETER3.774 INCHES NOMINAL IN
SPECIAL FEATURESOD TAPERED 30 DEG TO 3.647 IN. DIA,STARTING AT HALF WAY OF TOTAL HEIGHT IN
INSIDE DIAMETER2.884 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2620-920X12ASSY11APC4Interchangeable
interchangeable cross-reference
interchangeable
845-2181282-3INInterchangeable
interchangeable cross-reference
interchangeable
845-2445066 ITEM 19Interchangeable
interchangeable cross-reference
interchangeable
26M77-100-PC21Interchangeable
interchangeable cross-reference
interchangeable
845-2445066Interchangeable
interchangeable cross-reference
interchangeable
26M77-100 ITEM 21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 26M77-100 PIECE 20?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 26M77-100 PIECE 20?
26M77-100 PIECE 20 is a DISK,VALVE.
What parts can replace 26M77-100 PIECE 20?
There are 19 known substitutes for 26M77-100 PIECE 20: 2620-920X12ASSY11APC4, 845-2181282-3IN, 845-2445066 ITEM 19 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26M77-100 PIECE 20?
26M77-100 PIECE 20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-161-5190. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 26M77-100 PIECE 20

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026