PartsTable
Technical Data Sheet
PartsTable / COMPONENT / NS-3305
NS-3305 ✓ Verified by PartsTable
— · GATE VALVE
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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: COPPER ALLOY, outside_diameter: 7.470 INCHES NOMINAL IN, special_features: FURNISHED W/ HINGE PIN AND BUSHINGS AND O-RING SEAL ON SIDE OF FLANGE, style_designator: SWING CHECK, under_flange_height: 0.562 INCHES NOMINAL IN, flange_seat_to_disk_end_height: 0.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-459-6448, 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
NS-3305
NSN: 4820-00-459-6448
FSC: 4820
CAGE: 11836 — NATIONAL OILWELL (USA)
SPECIFICATIONS
materialCOPPER ALLOY
outside_diameter7.470 INCHES NOMINAL IN
special_featuresFURNISHED W/ HINGE PIN AND BUSHINGS AND O-RING SEAL ON SIDE OF FLANGE
style_designatorSWING CHECK
under_flange_height0.562 INCHES NOMINAL IN
flange_seat_to_disk_end_height0.750 INCHES NOMINAL IN
NSN4820-00-459-6448
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NS-3305 · 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
•
STYLE DESIGNATOR: SWING CHECK
•
UNDER FLANGE HEIGHT: 0.562 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.750 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 7.470 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSWING CHECK
UNDER FLANGE HEIGHT0.562 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.750 INCHES NOMINAL IN
OUTSIDE DIAMETER7.470 INCHES NOMINAL IN
SPECIAL FEATURESFURNISHED W/ HINGE PIN AND BUSHINGS AND O-RING SEAL ON SIDE OF FLANGE
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
L1004-28VInterchangeable
interchangeable cross-reference
interchangeable
MS25237-327Interchangeable
interchangeable cross-reference
interchangeable
L1004Interchangeable
interchangeable cross-reference
interchangeable
300-449Interchangeable
interchangeable cross-reference
interchangeable
300422Interchangeable
interchangeable cross-reference
interchangeable
CNW544AWInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy NS-3305?
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 NS-3305?
NS-3305 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace NS-3305?
There are 14 known substitutes for NS-3305: L1004-28V, MS25237-327, L1004 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-3305?
NS-3305 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-459-6448. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NS-3305

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026