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25-AC-01740 — VALVE,AIR BRAKE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

25-AC-01740: VALVE,AIR BRAKE.

The VALVE,AIR BRAKE is a the manufacturer industrial component. Key specifications include overall_length: 2.250 INCHES NOMINAL IN, overall_diameter: 1.286 INCHES NOMINAL IN, contact_arrangement: SINGLE POLE, DOUBLE THROW, environmental_protection: HERMETIC, terminal_type_and_quantity: 8 PIN, heater_voltage_rating_in_volts: 26.5. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-436-3029, 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
25-AC-01740
NSN: 4820-00-436-3029
FSC: 4820 — Valves, Nonpowered
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
overall_length2.250 INCHES NOMINAL IN
overall_diameter1.286 INCHES NOMINAL IN
contact_arrangementSINGLE POLE, DOUBLE THROW
environmental_protectionHERMETIC
terminal_type_and_quantity8 PIN
heater_voltage_rating_in_volts26.5
mounting_facility_type_and_quantity1 OCTAL BASE PLUG-IN
contact_maximum_current_rating_in_amps6.0 AC
contact_maximum_voltage_rating_in_volts115.0 AC
NSN4820-00-436-3029
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 25-AC-01740 · 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 7
36Z568Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
02-7108371Reference document
Same NSN cross-reference
Reference document — Secondary reference
3858514Reference document
Same NSN cross-reference
Reference document — Secondary reference
S1-826Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
769434C91Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1473650Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 25-AC-01740?
25-AC-01740 is a VALVE,AIR BRAKE.
What parts can replace 25-AC-01740?
There are 7 known substitutes for 25-AC-01740: 36Z568, 02-7108371, 3858514 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25-AC-01740?
25-AC-01740 is cataloged in the U.S. Government catalog under NSN 4820-00-436-3029. 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.