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Technical Data Sheet
PartsTable / COMPONENT / 27-3/4
27-3/4 ✓ 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 27-3/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-4670, 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
27-3/4
NSN: 4820-00-287-4670
FSC: 4820
CAGE: 32869 — O. C. KECKLEY COMPANY (USA)
SPECIFICATIONS
Part Number27-3/4
NSN4820-00-287-4670
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 27-3/4 · 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
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL: COPPER ALLOY STEM
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH FIRST RESPONSE
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: ANGLE
•
BONNET ATTACHMENT METHOD: INTEGRAL
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALCOPPER ALLOY STEM
MEDIA FOR WHICH DESIGNEDWATER, FRESH FIRST RESPONSE
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
STYLE DESIGNATORANGLE
BONNET ATTACHMENT METHODINTEGRAL
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
MATERIALCOPPER ALLOY AND RUBBER SYNTHETIC FLOW CONTROL DEVICE
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
0903631Interchangeable
interchangeable cross-reference
interchangeable
Q1804Interchangeable
interchangeable cross-reference
interchangeable
213733Interchangeable
interchangeable cross-reference
interchangeable
457Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-665Interchangeable
interchangeable cross-reference
interchangeable
12Z713PC105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27-3/4?
27-3/4 is a 27-3/4.
What parts can replace 27-3/4?
There are 19 known substitutes for 27-3/4: 0903631, Q1804, 213733 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27-3/4?
27-3/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-4670. 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