PartsTable
Technical Data Sheet
Download PDF

300-1138567-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

300-1138567-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, seating_surface_shape: ANGULAR, material_document_and_classification: MIL-S-18410 CL B COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-062-9593, 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
300-1138567-1
NSN: 4820-00-062-9593
FSC: 4820 — Valves, Nonpowered
CAGE: 82522 — PUGET SOUND NAVAL SHIPYARD AND INTERMEDIATE MAINTENCE FACILITY (USA)
SPECIFICATIONS
materialSTEEL SEAT
seating_surface_shapeANGULAR
material_document_and_classificationMIL-S-18410 CL B COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
NSN4820-00-062-9593
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 300-1138567-1 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18410 CL B COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
•
MATERIAL: STEEL SEAT
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18410 CL B COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL SEAT
SEATING SURFACE SHAPEANGULAR
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
300-1138567PC1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 300-1138567-1?
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 300-1138567-1?
300-1138567-1 is a SEAT,VALVE.
What parts can replace 300-1138567-1?
There is 1 known substitute for 300-1138567-1: 300-1138567PC1. Substitute compatibility should be verified for your specific system.
What is the NSN for 300-1138567-1?
300-1138567-1 is cataloged in the U.S. Government catalog under NSN 4820-00-062-9593. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 300-1138567-1

✓ 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.