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Technical Data Sheet
PartsTable / COMPONENT / 71975 PIECE 27
71975 PIECE 27 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-198-3001, 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
71975 PIECE 27
NSN: 4820-01-198-3001
FSC: 4820
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
special_featuresMATERIAL BRASS; 4.816 IN. OVERALL LENGTH; 0.375 IN DIA; THREADED INTERNALLY ONE END 0.250-28 UNF 1.305 IN. DEPTH; OTHER END THREADED EXTERNALLY 0.250-28 UNF 0.390 IN. THREADED LENGTH IN
NSN4820-01-198-3001
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 71975 PIECE 27 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMATERIAL BRASS; 4.816 IN. OVERALL LENGTH; 0.375 IN DIA; THREADED INTERNALLY ONE END 0.250-28 UNF 1.305 IN. DEPTH; OTHER END THREADED EXTERNALLY 0.250-28 UNF 0.390 IN. THREADED LENGTH IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
52016HInterchangeable
interchangeable cross-reference
interchangeable
53178-53375Interchangeable
interchangeable cross-reference
interchangeable
0023874102Interchangeable
interchangeable cross-reference
interchangeable
239627Interchangeable
interchangeable cross-reference
interchangeable
71975Interchangeable
interchangeable cross-reference
interchangeable
L31378Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71975 PIECE 27?
71975 PIECE 27 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 71975 PIECE 27?
There are 21 known substitutes for 71975 PIECE 27: 52016H, 53178-53375, 0023874102 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71975 PIECE 27?
71975 PIECE 27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-198-3001. 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