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Technical Data Sheet
PartsTable / COMPONENT / 81145-1
81145-1 ✓ 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 COUPLER,TRANSMISSION LINE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: ALUMINUM ALLOY; GRAY ANODIZE FINISH; 1/4 NPT PRESSURE/VACUUM PORTS; REGULATED OUTPUT 1/4 NPT; 150 P.S.I.. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-339-8322, 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
81145-1
NSN: 4810-01-339-8322
FSC: 4810
CAGE: 54966 — DAVIDSON, JOHN C DBA K I M AEROTECH (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM ALLOY; GRAY ANODIZE FINISH; 1/4 NPT PRESSURE/VACUUM PORTS; REGULATED OUTPUT 1/4 NPT; 150 P.S.I.
NSN4810-01-339-8322
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 81145-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY; GRAY ANODIZE FINISH; 1/4 NPT PRESSURE/VACUUM PORTS; REGULATED OUTPUT 1/4 NPT; 150 P.S.I.
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY; GRAY ANODIZE FINISH; 1/4 NPT PRESSURE/VACUUM PORTS; REGULATED OUTPUT 1/4 NPT; 150 P.S.I.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
81-145Interchangeable
interchangeable cross-reference
interchangeable
N210P15CInterchangeable
interchangeable cross-reference
interchangeable
2510002643503Interchangeable
interchangeable cross-reference
interchangeable
CU-2292/ALR-67(V)Interchangeable
interchangeable cross-reference
interchangeable
74-870132-101Interchangeable
interchangeable cross-reference
interchangeable
10177120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81145-1?
81145-1 is a COUPLER,TRANSMISSION LINE.
What parts can replace 81145-1?
There are 9 known substitutes for 81145-1: 81-145, N210P15C, 2510002643503 and 6 more. Substitute compatibility should be verified for your specific system.
Is 81145-1 still available?
81145-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026