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PartsTable / COMPONENT / R-97945 PIECE 5
R-97945 PIECE 5 ✓ 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

DISCHARGE HEAD,CYLINDER ASSEMBLY. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.187 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.312 INCHES NOMINAL IN, special_features: 1.594 IN. OD UNTHD PORTION FIRST STEP,1.660 IN.

OD UNTHD PORTION SECOND STEP IN, style_designator: PLAIN THREADED. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-096-9195, 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
R-97945 PIECE 5
NSN: 4820-01-096-9195
FSC: 4820
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class3A SINGLE THREADED PORTION A
thread_length0.187 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.312 INCHES NOMINAL IN
special_features1.594 IN. OD UNTHD PORTION FIRST STEP,1.660 IN. OD UNTHD PORTION SECOND STEP IN
style_designatorPLAIN THREADED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size1.750 INCHES SINGLE THREADED PORTION IN
seating_surface_shapeANGULAR
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
body_stepped_inside_diameter0.750 INCHES NOMINAL FIRST STEP IN
NSN4820-01-096-9195
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R-97945 PIECE 5 · 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
•
STYLE DESIGNATOR: PLAIN THREADED
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: UN SINGLE THREADED PORTION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN THREADED
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
OVERALL HEIGHT0.312 INCHES NOMINAL IN
SPECIAL FEATURES1.594 IN. OD UNTHD PORTION FIRST STEP,1.660 IN. OD UNTHD PORTION SECOND STEP IN
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
SEATING SURFACE SHAPEANGULAR
NOMINAL THREAD SIZE1.750 INCHES SINGLE THREADED PORTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
872450 SEE N0TEInterchangeable
interchangeable cross-reference
interchangeable
8491668Interchangeable
interchangeable cross-reference
interchangeable
872450Interchangeable
interchangeable cross-reference
interchangeable
G3E627202Interchangeable
interchangeable cross-reference
interchangeable
20A-891Interchangeable
interchangeable cross-reference
interchangeable
CE627202Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R-97945 PIECE 5?
R-97945 PIECE 5 is a DISCHARGE HEAD,CYLINDER ASSEMBLY.
What parts can replace R-97945 PIECE 5?
There are 10 known substitutes for R-97945 PIECE 5: 872450 SEE N0TE, 8491668, 872450 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R-97945 PIECE 5?
R-97945 PIECE 5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-096-9195. 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