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3951-81 — TUBING,NONMETALLIC

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3951-81: TUBING,NONMETALLIC.

The TUBING,NONMETALLIC is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: SENSING ELEMENT,FIR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-225-1422, 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
3951-81
NSN: 4820-01-225-1422
NIINs: 012251422, 013566812, 017179625
FSC: 4820 — Valves, Nonpowered
CAGE: 99643 — EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySENSING ELEMENT,FIR
NSN4820-01-225-1422
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3951-81 · 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
•
FLANGE DIAMETER: 2.127 INCHES MINIMUM AND 2.492 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC ACRYLIC OVERALL
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER2.127 INCHES MINIMUM AND 2.492 INCHES MAXIMUM IN
MATERIALPLASTIC ACRYLIC OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3951-81?
3951-81 is a TUBING,NONMETALLIC.
What is the NSN for 3951-81?
3951-81 is cataloged in the U.S. Government catalog under NSN 4820-01-225-1422. This indicates validated use in U.S. government and defense supply chains.
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