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Technical Data Sheet
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26-1400-81 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

26-1400-81: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include connection_type: THREADED INTERNAL PIPE, features_provided: SIDE PORTED AND SPRING RETURN, nominal_thread_size: 0.250 INCHES IN, end_item_identification: TRUCK, FIRE/CRASH P23, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-421-2567, 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
26-1400-81
NSN: 4810-01-421-2567
FSC: 4810 — Valves, Powered
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
spool_quantity1
connection_typeTHREADED INTERNAL PIPE
features_providedSIDE PORTED AND SPRING RETURN
nominal_thread_size0.250 INCHES IN
flow_pattern_quantity2
end_connection_quantity3
end_item_identificationTRUCK, FIRE/CRASH P23
spool_position_quantity2
thread_series_designatorNPT
NSN4810-01-421-2567
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 26-1400-81 · 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: THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 3
•
FEATURES PROVIDED: SIDE PORTED AND SPRING RETURN
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
SPOOL QUANTITY: 1
•
THREAD SERIES DESIGNATOR: NPT
•
FLOW PATTERN QUANTITY: 2
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY3
FEATURES PROVIDEDSIDE PORTED AND SPRING RETURN
NOMINAL THREAD SIZE0.250 INCHES IN
SPOOL QUANTITY1
END ITEM IDENTIFICATIONTRUCK, FIRE/CRASH P23
THREAD SERIES DESIGNATORNPT
FLOW PATTERN QUANTITY2
SPOOL POSITION QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 1
C-7022Reference 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 26-1400-81?
26-1400-81 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 26-1400-81?
There is 1 known substitute for 26-1400-81: C-7022. Substitute compatibility should be verified for your specific system.
What is the NSN for 26-1400-81?
26-1400-81 is cataloged in the U.S. Government catalog under NSN 4810-01-421-2567. 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.