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Technical Data Sheet
D-1991S ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include body_width: 4.500 INCHES NOMINAL IN, body_height: 3.750 INCHES NOMINAL IN, body_length: 4.625 INCHES NOMINAL IN, overall_width: 2.125 INCHES NOMINAL IN, inclosure_type: PARTIALLY INCLOSED, HALF SHELL, overall_height: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-628-0585, 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
D-1991S
NSN: 2805-00-628-0585
FSC: 2805
CAGE: 95019 — DANA CORP SPICER TRANSMISSION DIV (USA)
SPECIFICATIONS
body_width4.500 INCHES NOMINAL IN
body_height3.750 INCHES NOMINAL IN
body_length4.625 INCHES NOMINAL IN
overall_width2.125 INCHES NOMINAL IN
inclosure_typePARTIALLY INCLOSED, HALF SHELL
overall_height1.000 INCHES NOMINAL IN
overall_length5.875 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresMTG METHOD: HOLE TYPE MTG; MTG CONFG: FOUR 0.174 IN. DIA MTG HOLES ON 1.250 IN. BY 5.500 IN. MTG CENTERS; FSC APP DATA: AMPLIFIER SUBASSEMBLY, LANDING CONTROL SET IN
nominal_thread_size0.164 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
NSN2805-00-628-0585
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN D-1991S MFR VALVE,POPPET,ENGINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
111160Interchangeable
interchangeable cross-reference
interchangeable
112448Interchangeable
interchangeable cross-reference
interchangeable
5476-49Interchangeable
interchangeable cross-reference
interchangeable
11088-0Interchangeable
interchangeable cross-reference
interchangeable
5476-34Interchangeable
interchangeable cross-reference
interchangeable
A-8948Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-1991S?
D-1991S is a VALVE,POPPET,ENGINE.
What parts can replace D-1991S?
There are 10 known substitutes for D-1991S: 111160, 112448, 5476-49 and 7 more. Substitute compatibility should be verified for your specific system.
Is D-1991S still available?
D-1991S is currently cancelled.
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