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5-13-3971 — TAILPIECE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5-13-3971: TAILPIECE,VALVE.

The TAILPIECE,VALVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-00-242-6882, 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
5-13-3971
NSN: 4820-00-242-6882
NIINs: 002426882, 012450201
FSC: 4820 — Valves, Nonpowered
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
special_featuresDISTRIBUTOR IS RECORDED AS RNCC/VC: 3/2 BECAUSE THE OEM (SWING-A-WAY MFG, 4100 BECK AVE, ST. LOUIS, MO) DOES NOT HAVE A CAGE CODE
NSN4820-00-242-6882
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5-13-3971 · 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
•
DESIGN TYPE: STRAIGHT
•
CONNECTION TYPE: FLANGE, ROUND W/O HOLES AND THREADED EXTERNAL BOSS
•
FLANGE DIAMETER: 2.938 INCHES IN
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MATERIAL: STEEL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT (UNJ)
TECHNICAL CHARACTERISTICS
DESIGN TYPESTRAIGHT
CONNECTION TYPEFLANGE, ROUND W/O HOLES AND THREADED EXTERNAL BOSS
FLANGE DIAMETER2.938 INCHES IN
MATERIALSTEEL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ)
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 5-13-3971?
5-13-3971 is a TAILPIECE,VALVE.
What is the NSN for 5-13-3971?
5-13-3971 is cataloged in the U.S. Government catalog under NSN 4820-00-242-6882. 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.