PartsTable
Technical Data Sheet
56-001 ✓ Verified by PartsTable
Esselte · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

Front resembles Esselte plastic lever arch files but the punching of documents is not necessary. Vivid colour with attractive VIVIDA design. Storage of documents on desks, shelves and archiving rooms.

Key specifications include diameter: 0.156 INCHES NOMINAL IN, material: CARBIDE, cut_length: 0.438 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES FIRST END, shank_type: WELDON, bonnet_type: INSIDE SCREW. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-089-2669, 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
MRO MRO_GENERAL 56-001
NSN: 4820-00-089-2669
FSC: 4820
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
diameter0.156 INCHES NOMINAL IN
materialCARBIDE
cut_length0.438 INCHES NOMINAL IN
seat_angle37.0 DEGREES FIRST END
shank_typeWELDON
bonnet_typeINSIDE SCREW
design_formDOUBLE END
flute_designHELICAL
thread_class3A FIRST END A
overall_length3.125 INCHES NOMINAL IN
shank_diameter0.375 INCHES NOMINAL IN
helix_directionRIGHT-HAND
NSN4820-00-089-2669
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 56-001 · Esselte ⚠ 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
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
THREAD QUANTITY PER INCH: 16 FIRST END
STYLE DESIGNATOR: STRAIGHT THRU W/OFFSET
FEATURES PROVIDED: BONNET PACKING
OPERATING PRESSURE: 420.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SEAT ANGLE: 37.0 DEGREES FIRST END
THREAD DIRECTION: RIGHT-HAND FIRST END
MAXIMUM OPERATING TEMP: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
THREAD QUANTITY PER INCH16 FIRST END
STYLE DESIGNATORSTRAIGHT THRU W/OFFSET
FEATURES PROVIDEDBONNET PACKING
OPERATING PRESSURE420.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SEAT ANGLE37.0 DEGREES FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE DEGF
BONNET ATTACHMENT METHODINTEGRAL
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5600Interchangeable
interchangeable cross-reference
interchangeable
NFES 0047Interchangeable
interchangeable cross-reference
interchangeable
800090Interchangeable
interchangeable cross-reference
interchangeable
TRU-5297Interchangeable
interchangeable cross-reference
interchangeable
3301-147-A000Interchangeable
interchangeable cross-reference
interchangeable
TRU5297-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56-001?
56-001 is a CAPACITOR,ELECTRICAL manufactured by Esselte. It is classified as a MRO (MRO_GENERAL).
What parts can replace 56-001?
There are 15 known substitutes for 56-001: 5600, NFES 0047, 800090 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56-001?
56-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-089-2669. This indicates validated use in U.S. government and defense supply chains.
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