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2DY848 — ROLLOVER GUIDE BLOCK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2DY848: ROLLOVER GUIDE BLOCK,VALVE.

The ROLLOVER GUIDE BLOCK,VALVE is a the manufacturer industrial component. Key specifications include body_width: 1.812 INCHES NOMINAL IN, body_height: 2.438 INCHES NOMINAL IN, body_length: 1.938 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 60.0 HERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-133-4081, 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
2DY848
NSN: 4820-01-133-4081
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
body_width1.812 INCHES NOMINAL IN
body_height2.438 INCHES NOMINAL IN
body_length1.938 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ MAXIMUM SINGLE COMPONENT
special_featuresCASE METAL MATERIAL
nominal_thread_size0.138 INCHES SINGLE GROUP IN
transformer_functionINPUT
reliability_indicatorNOT ESTABLISHED
end_item_identificationTYPE C8 5.56MM CARBINE MM
impedance_rating_in_ohms20000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
NSN4820-01-133-4081
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2DY848 · 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
SUBSTITUTES & CROSS-REFERENCES 3
6238-4Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
6238-4 ITEM 5Reference document
Same NSN cross-reference
Reference document — Secondary reference
3640-SSReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2DY848?
2DY848 is a ROLLOVER GUIDE BLOCK,VALVE.
What parts can replace 2DY848?
There are 3 known substitutes for 2DY848: 6238-4, 6238-4 ITEM 5, 3640-SS. Substitute compatibility should be verified for your specific system.
What is the NSN for 2DY848?
2DY848 is cataloged in the U.S. Government catalog under NSN 4820-01-133-4081. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.