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91MD100 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

91MD100: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include special_features: VALVE WITH DIGITAL PRESSURE GAGE; 0-6300 PSI RANGE; GAGE SUPPLIED WITH 29 VOLT BATTERY TYPE 6LR61, part_name_assigned_by_controlling_agency: PRESSURE REDUCER. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-528-3089, 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
91MD100
NSN: 4810-01-528-3089
FSC: 4810 — Valves, Powered
CAGE: 1GLT2 — FLORIDA AERONAUTICS, INC DBA FLORIDA AERONAUTICS, INC (USA)
SPECIFICATIONS
special_featuresVALVE WITH DIGITAL PRESSURE GAGE; 0-6300 PSI RANGE; GAGE SUPPLIED WITH 29 VOLT BATTERY TYPE 6LR61
end_connection_quantity2
part_name_assigned_by_controlling_agencyPRESSURE REDUCER
NSN4810-01-528-3089
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 91MD100 · 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
•
END CONNECTION QUANTITY: 2
TECHNICAL CHARACTERISTICS
END CONNECTION QUANTITY2
SPECIAL FEATURESVALVE WITH DIGITAL PRESSURE GAGE; 0-6300 PSI RANGE; GAGE SUPPLIED WITH 29 VOLT BATTERY TYPE 6LR61
PART NAME ASSIGNED BY CONTROLLING AGENCYPRESSURE REDUCER
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 2
3135-000Reference document
Same NSN cross-reference
Reference document — Secondary reference
3135-500Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91MD100?
91MD100 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 91MD100?
There are 2 known substitutes for 91MD100: 3135-000, 3135-500. Substitute compatibility should be verified for your specific system.
What is the NSN for 91MD100?
91MD100 is cataloged in the U.S. Government catalog under NSN 4810-01-528-3089. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.