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Technical Data Sheet
PartsTable / COMPONENT / MIL-W-19016B,TY 1 STY A,SZ1/4 IN
MIL-W-19016B,TY 1 STY A,SZ1/4 IN ✓ 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 MIL-W-19016B,TY 1 STY A,SZ1/4 IN 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 4820-00-282-6103, 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
MIL-W-19016B,TY 1 STY A,SZ1/4 IN
NSN: 4820-00-282-6103
FSC: 4820
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-W-19016B,TY 1 STY A,SZ1/4 IN
NSN4820-00-282-6103
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MIL-W-19016B,TY 1 STY A,SZ1/4 IN · 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
•
TEMP RATING: 32.0 FAHRENHEIT MINIMUM AND 212.0 FAHRENHEIT MAXIMUM DEGF
•
STYLE DESIGNATOR: PLAIN
•
MEDIA FOR WHICH DESIGNED: WATER, COLD OR WATER, HOT
•
MATERIAL: RUBBER SYNTHETIC
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A STYLE AND HARD COMPOSITION AND 1/4 SIZE
•
OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING32.0 FAHRENHEIT MINIMUM AND 212.0 FAHRENHEIT MAXIMUM DEGF
STYLE DESIGNATORPLAIN
MEDIA FOR WHICH DESIGNEDWATER, COLD OR WATER, HOT
MATERIALRUBBER SYNTHETIC
PART NAME ASSIGNED BY CONTROLLING AGENCYBIBB WASHER
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A STYLE AND HARD COMPOSITION AND 1/4 SIZE
OVERALL HEIGHT0.141 INCHES NOMINAL IN
OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
INSIDE DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
W-150Interchangeable
interchangeable cross-reference
interchangeable
MILW19016Interchangeable
interchangeable cross-reference
interchangeable
W8119694-3Interchangeable
interchangeable cross-reference
interchangeable
5040Interchangeable
interchangeable cross-reference
interchangeable
50401Interchangeable
interchangeable cross-reference
interchangeable
SLBB14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-W-19016B,TY 1 STY A,SZ1/4 IN?
MIL-W-19016B,TY 1 STY A,SZ1/4 IN is a MIL-W-19016B,TY 1 STY A,SZ1/4 IN.
What parts can replace MIL-W-19016B,TY 1 STY A,SZ1/4 IN?
There are 9 known substitutes for MIL-W-19016B,TY 1 STY A,SZ1/4 IN: W-150, MILW19016, W8119694-3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-W-19016B,TY 1 STY A,SZ1/4 IN?
MIL-W-19016B,TY 1 STY A,SZ1/4 IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-282-6103. 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