PartsTable
Technical Data Sheet
Download PDF

12P111 — VALVE,DIAPHRAGM,STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

12P111: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include thickness: 0.062 INCHES NOMINAL IN, body_width: 1.375 INCHES MAXIMUM IN, body_height: 0.750 INCHES MAXIMUM IN, body_length: 1.375 INCHES MAXIMUM IN, hole_diameter: 0.344 INCHES NOMINAL IN, overall_width: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-213-1042, 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
12P111
NSN: 4820-00-213-1042
FSC: 4820 — Valves, Nonpowered
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
thickness0.062 INCHES NOMINAL IN
body_width1.375 INCHES MAXIMUM IN
body_height0.750 INCHES MAXIMUM IN
body_length1.375 INCHES MAXIMUM IN
hole_diameter0.344 INCHES NOMINAL IN
overall_width2.000 INCHES NOMINAL IN
heat_treatmentCOLD ROLLED
inclosure_typePARTIALLY INCLOSED
overall_height2.500 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN4820-00-213-1042
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12P111 · 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
SUBSTITUTES & CROSS-REFERENCES 6
56274R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
473794C91Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10A3675Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
812315Reference document
Same NSN cross-reference
Reference document — Secondary reference
435433Reference document
Same NSN cross-reference
Reference document — Secondary reference
25-GA-261Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 12P111?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12P111?
12P111 is a VALVE,DIAPHRAGM,STOP.
What parts can replace 12P111?
There are 6 known substitutes for 12P111: 56274R91, 473794C91, 10A3675 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12P111?
12P111 is cataloged in the U.S. Government catalog under NSN 4820-00-213-1042. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12P111

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.