PartsTable
Technical Data Sheet
Download PDF

0637-70-580-3104 — VALVE ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

0637-70-580-3104: VALVE ASSEMBLY.

The VALVE ASSEMBLY is a the manufacturer industrial component. Key specifications include special_features: CRITICAL APPLICATION ITEM (CAI); PART OF DRIVE SYSTEMS (HELO ONLY) INTERMEDIATE GEARBOX AND TAIL GEARBOX, end_item_identification: CH-53K SIKORSKY HEAVY LIFT HELICOPTER, criticality_code_justification: FEAT, part_name_assigned_by_controlling_agency: VALVE ASSEMBLY; OVERFLOW VALVE, AUX LUBE, TGB. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-698-5649, 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
0637-70-580-3104
NSN: 4820-01-698-5649
FSC: 4820 — Valves, Nonpowered
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
special_featuresCRITICAL APPLICATION ITEM (CAI); PART OF DRIVE SYSTEMS (HELO ONLY) INTERMEDIATE GEARBOX AND TAIL GEARBOX
end_item_identificationCH-53K SIKORSKY HEAVY LIFT HELICOPTER
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyVALVE ASSEMBLY; OVERFLOW VALVE, AUX LUBE, TGB
NSN4820-01-698-5649
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0637-70-580-3104 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESCRITICAL APPLICATION ITEM (CAI); PART OF DRIVE SYSTEMS (HELO ONLY) INTERMEDIATE GEARBOX AND TAIL GEARBOX
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE ASSEMBLY; OVERFLOW VALVE, AUX LUBE, TGB
END ITEM IDENTIFICATIONCH-53K SIKORSKY HEAVY LIFT HELICOPTER
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
Ready to buy 0637-70-580-3104?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 0637-70-580-3104?
0637-70-580-3104 is a VALVE ASSEMBLY.
What is the NSN for 0637-70-580-3104?
0637-70-580-3104 is cataloged in the U.S. Government catalog under NSN 4820-01-698-5649. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 0637-70-580-3104