PartsTable
Technical Data Sheet
Download PDF

H-537 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H-537: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include body_length: 0.750 INCHES MAXIMUM IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: FULLY INCLOSED, inductance_type: FIXED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-063-0915, 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
H-537
NSN: 4820-00-063-0915
NIINs: 000630915, 011051647
FSC: 4820 — Valves, Nonpowered
CAGE: 23168 — HAMMEL DAHL INC (USA)
SPECIFICATIONS
body_length0.750 INCHES MAXIMUM IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
inductance_typeFIXED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
winding_quantity1 SINGLE COMPONENT
inductance_rating1.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
nominal_thread_size0.112 INCHES SINGLE GROUP IN
body_outside_diameter1.120 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch40 SINGLE GROUP
NSN4820-00-063-0915
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H-537 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
SUBSTITUTES & CROSS-REFERENCES 1
H537CPReference 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 H-537?
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 H-537?
H-537 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace H-537?
There is 1 known substitute for H-537: H537CP. Substitute compatibility should be verified for your specific system.
What is the NSN for H-537?
H-537 is cataloged in the U.S. Government catalog under NSN 4820-00-063-0915. 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 — H-537

✓ 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.