PartsTable
Technical Data Sheet
Download PDF

9903K35 — VALVE,VACUUM BREAKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9903K35: VALVE,VACUUM BREAKING.

The VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, temp_rating: 212.0 FAHRENHEIT DEGF, special_features: 0.500 INCH PIPE SIZE;MAX VALVE PRESSURE 125 PSI IN, media_for_which_designed: WATER, FRESH, part_name_assigned_by_controlling_agency: VALVE VACUUM. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-585-2054, 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
9903K35
NSN: 4820-01-585-2054
FSC: 4820 — Valves, Nonpowered
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
temp_rating212.0 FAHRENHEIT DEGF
special_features0.500 INCH PIPE SIZE;MAX VALVE PRESSURE 125 PSI IN
media_for_which_designedWATER, FRESH
part_name_assigned_by_controlling_agencyVALVE VACUUM
NSN4820-01-585-2054
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9903K35 · 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: 212.0 FAHRENHEIT DEGF
•
MATERIAL: COPPER ALLOY BODY
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH
TECHNICAL CHARACTERISTICS
TEMP RATING212.0 FAHRENHEIT DEGF
SPECIAL FEATURES0.500 INCH PIPE SIZE;MAX VALVE PRESSURE 125 PSI IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE VACUUM
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDWATER, FRESH
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 9903K35?
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 9903K35?
9903K35 is a VALVE,VACUUM BREAKING.
What is the NSN for 9903K35?
9903K35 is cataloged in the U.S. Government catalog under NSN 4820-01-585-2054. 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 — 9903K35

✓ 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.