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21999-0031 — COMPRESSOR UNIT,RECIPROCATING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21999-0031: COMPRESSOR UNIT,RECIPROCATING.

The COMPRESSOR UNIT,RECIPROCATING is a the manufacturer industrial component. Key specifications include current_type: DC, overall_width: 2.800 INCHES NOMINAL IN, overall_length: 8.250 INCHES NOMINAL IN, voltage_rating: 12.0 VOLTS MINIMUM AND 36.0 VOLTS MAXIMUM, pressure_rating: 30.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, actuation_method: ELEC CAPACITANCE. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-505-2729, 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
21999-0031
NSN: 4810-01-505-2729
FSC: 4810 — Valves, Powered
CAGE: 7T076 — SUBURBAN MANUFACTURING, LLC (USA)
SPECIFICATIONS
current_typeDC
overall_width2.800 INCHES NOMINAL IN
overall_length8.250 INCHES NOMINAL IN
voltage_rating12.0 VOLTS MINIMUM AND 36.0 VOLTS MAXIMUM
pressure_rating30.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
actuation_methodELEC CAPACITANCE
frequency_rating83.0 KILOHERTZ NOMINAL
overall_diameter2.800 INCHES NOMINAL IN
resistance_in_ohms600.000 PER INCH
end_item_identificationFAN COIL
media_for_which_designedWATER
NSN4810-01-505-2729
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21999-0031 · 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 2
21410-0001Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
21410-0001 ITEM 10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21999-0031?
21999-0031 is a COMPRESSOR UNIT,RECIPROCATING.
What parts can replace 21999-0031?
There are 2 known substitutes for 21999-0031: 21410-0001, 21410-0001 ITEM 10. Substitute compatibility should be verified for your specific system.
What is the NSN for 21999-0031?
21999-0031 is cataloged in the U.S. Government catalog under NSN 4810-01-505-2729. This indicates validated use in U.S. government and defense supply chains.
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