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A1357 — SEAL,PLAIN

✓ Government record, cited
HUNT VALVE COMPANY, INC. · GATE VALVE
PRODUCT OVERVIEW

A1357: SEAL,PLAIN.

The SEAL,PLAIN is a HUNT VALVE COMPANY, INC. industrial component. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-160-2605, 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
A1357
NSN: 4820-00-160-2605
NIINs: 001602605, 003731885, 016156573
FSC: 4820 — Valves, Nonpowered
CAGE: 14180 — LULL CORP (USA)
SPECIFICATIONS
Part NumberA1357
ManufacturerHUNT VALVE COMPANY, INC.
NSN4820-00-160-2605
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A1357 · HUNT VALVE COMPANY, INC. ⚠ 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
•
FLOW CONTROL DEVICE: PISTON
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RECESS NOMINAL DEPTH: 0.250 INCHES IN
•
FLANGE SHAPE: OVAL WITH HOLES SECOND END
•
FLANGE FACE DESIGN: RECESSED STRAIGHT SECOND END
•
NOMINAL LENGTH: 7.125 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPISTON
RECESS NOMINAL DEPTH0.250 INCHES IN
FLANGE SHAPEOVAL WITH HOLES SECOND END
FLANGE SHAPEOVAL WITH HOLES FIRST END
FLANGE FACE DESIGNRECESSED STRAIGHT SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
NOMINAL LENGTH7.125 INCHES FIRST END IN
NOMINAL LENGTH7.125 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER5.750 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER5.750 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A1357?
A1357 is a SEAL,PLAIN manufactured by HUNT VALVE COMPANY, INC..
What is the NSN for A1357?
A1357 is cataloged in the U.S. Government catalog under NSN 4820-00-160-2605. 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.