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21956 — TRANSISTOR

✓ Government record, cited
Trust · GATE VALVE
PRODUCT OVERVIEW

21956: TRANSISTOR.

Durable keyboard with red coloured gaming keys. Key specifications include material: PLASTIC BODY, body_diameter: 0.500 INCHES NOMINAL IN, overall_length: 0.085 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-492-0013, 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
21956
NSN: 4810-00-492-0013
NIINs: 004920013, 011150630, 011675576
FSC: 4810 — Valves, Powered
CAGE: 16780 — EATON AEROSPACE LLC (USA)
SPECIFICATIONS
materialPLASTIC BODY
body_diameter0.500 INCHES NOMINAL IN
overall_length0.085 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
body_overall_length1.000 INCHES NOMINAL IN
special_test_featuresTESTED PER BASE TEN SYSTEMS DWG 21956
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
media_for_which_designedFUEL/OIL, HYDROCARBON
NSN4810-00-492-0013
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21956 · Trust ⚠ 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21956?
21956 is a TRANSISTOR manufactured by Trust.
What is the NSN for 21956?
21956 is cataloged in the U.S. Government catalog under NSN 4810-00-492-0013. This indicates validated use in U.S. government and defense supply chains.
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