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ND3956 — FLEXIBLE ELEMENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

ND3956: FLEXIBLE ELEMENT.

The FLEXIBLE ELEMENT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEAM PRESSURE 33PSI; ELASTOMER MATERIAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-375-2138, 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
ND3956
NSN: 4820-01-375-2138
FSC: 4820 — Valves, Nonpowered
CAGE: 18444 — OIL STATES INDUSTRIES, INC. DIV SPECIAL PRODUCTS DIV (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEAM PRESSURE 33PSI; ELASTOMER MATERIAL
NSN4820-01-375-2138
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ND3956 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEAM PRESSURE 33PSI; ELASTOMER MATERIAL
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEAM PRESSURE 33PSI; ELASTOMER MATERIAL
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 1
ND3955ITEM6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ND3956?
ND3956 is a FLEXIBLE ELEMENT.
What parts can replace ND3956?
There is 1 known substitute for ND3956: ND3955ITEM6. Substitute compatibility should be verified for your specific system.
What is the NSN for ND3956?
ND3956 is cataloged in the U.S. Government catalog under NSN 4820-01-375-2138. This indicates validated use in U.S. government and defense supply chains.
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