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Technical Data Sheet
PartsTable / COMPONENT / N5040
N5040 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR ALUMINUM ALLOY BODY, construction: SEAMLESS, thread_class: 2B, thread_series: WHITWORTH, overall_height: 0.516 INCHES NOMINAL IN, overall_length: 1.406 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-446-3358, 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
N5040
NSN: 4820-00-446-3358
FSC: 4820
CAGE: 0GWP9 — ZAZA ENTERPRISES INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR ALUMINUM ALLOY BODY
constructionSEAMLESS
thread_class2B
thread_seriesWHITWORTH
overall_height0.516 INCHES NOMINAL IN
overall_length1.406 INCHES NOMINAL IN
sealing_methodMECHANICAL
first_end_stylePLAIN
flange_diameter1.750 INCHES NOMINAL IN
mounting_methodINTEGRAL THREADED NUT
special_features2.344 IN. OD OF FLANGE; 0.750 ID IN
style_designatorPLAIN FLANGED
NSN4820-00-446-3358
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N5040 · 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
•
LARGEST OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.406 INCHES NOMINAL IN
SPECIAL FEATURES2.344 IN. OD OF FLANGE; 0.750 ID IN
LARGEST OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
10727Interchangeable
interchangeable cross-reference
interchangeable
1A10727Interchangeable
interchangeable cross-reference
interchangeable
8719853Interchangeable
interchangeable cross-reference
interchangeable
SJ3540-54Interchangeable
interchangeable cross-reference
interchangeable
SL4967-54Interchangeable
interchangeable cross-reference
interchangeable
EBA2008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N5040?
N5040 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace N5040?
There are 30 known substitutes for N5040: 10727, 1A10727, 8719853 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N5040?
N5040 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-446-3358. 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