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51740A636 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

51740A636: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL COMP 630, stem_actuating_end_type: ROUNDED, valve_size_for_which_designed: 8.000 INCHES IN, valve_type_for_which_designed: BUTTERFLY, material_document_and_classification: SAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-310-4302, 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
51740A636
NSN: 4820-01-310-4302
FSC: 4820 — Valves, Nonpowered
CAGE: 1NB39 — DOVER RESOURCES, INC. DIV NORRISEAL (USA)
SPECIFICATIONS
materialSTEEL COMP 630
stem_actuating_end_typeROUNDED
valve_size_for_which_designed8.000 INCHES IN
valve_type_for_which_designedBUTTERFLY
material_document_and_classificationSAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-310-4302
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 51740A636 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BUTTERFLY
•
STEM ACTUATING END TYPE: ROUNDED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 8.000 INCHES IN
•
MATERIAL: STEEL COMP 630
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBUTTERFLY
STEM ACTUATING END TYPEROUNDED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
VALVE SIZE FOR WHICH DESIGNED8.000 INCHES IN
MATERIALSTEEL COMP 630
SUBSTITUTES & CROSS-REFERENCES 2
920-170 REF-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
920-170Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51740A636?
51740A636 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 51740A636?
There are 2 known substitutes for 51740A636: 920-170 REF-3, 920-170. Substitute compatibility should be verified for your specific system.
What is the NSN for 51740A636?
51740A636 is cataloged in the U.S. Government catalog under NSN 4820-01-310-4302. 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.