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PartsTable / COMPONENT / 26M77-100 ITEM 93
26M77-100 ITEM 93 ✓ 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 GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, bore_diameter: 3.0680 INCHES NOMINAL IN, overall_length: 5.000 INCHES NOMINAL IN, bore_counterbore: NOT INCLUDED, bore_countersink: NOT INCLUDED, outside_diameter: 3.500 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 4820-01-160-1604, 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 ITEM 93
NSN: 4820-01-160-1604
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY
bore_diameter3.0680 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
bore_counterboreNOT INCLUDED
bore_countersinkNOT INCLUDED
outside_diameter3.500 INCHES NOMINAL IN
special_featuresSIZE 3.000 IN.;OPEN/SHUT MARKS,7 LINES CENTERED EQUALLY SPACED 0.938 IN.;EXT THD 3.000-8 NPT IN
style_designatorPLAIN
NSN4820-01-160-1604
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 26M77-100 ITEM 93 · 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
•
BORE DIAMETER: 3.0680 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
BORE COUNTERBORE: NOT INCLUDED
•
BORE COUNTERSINK: NOT INCLUDED
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH5.000 INCHES NOMINAL IN
BORE DIAMETER3.0680 INCHES NOMINAL IN
OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
SPECIAL FEATURESSIZE 3.000 IN.;OPEN/SHUT MARKS,7 LINES CENTERED EQUALLY SPACED 0.938 IN.;EXT THD 3.000-8 NPT IN
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKNOT INCLUDED
STYLE DESIGNATORPLAIN
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
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
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FREQUENTLY ASKED QUESTIONS
What is 26M77-100 ITEM 93?
26M77-100 ITEM 93 is a GUIDE,VALVE STEM.
What parts can replace 26M77-100 ITEM 93?
There are 20 known substitutes for 26M77-100 ITEM 93: 2620-920X12ASSY11APC4, 845-2181282-3IN, 845-2445066 ITEM 19 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26M77-100 ITEM 93?
26M77-100 ITEM 93 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-160-1604. 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