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1319088 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1319088: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: IRON OR STEEL OVERALL, overall_height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN, seat_angle_in_deg: 90.000 NOMINAL, body_inside_diameter: 1.3695 INCHES MINIMUM AND 1.3795 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-389-6499, 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
1319088
NSN: 4820-00-389-6499
FSC: 4820 — Valves, Nonpowered
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialIRON OR STEEL OVERALL
overall_height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
seat_angle_in_deg90.000 NOMINAL
body_inside_diameter1.3695 INCHES MINIMUM AND 1.3795 INCHES MAXIMUM IN
fsc_application_dataVALVE,GASOLINE ENGINE,NONAIRCRAFT
body_outside_diameter1.649 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
material_document_and_classificationMS926 MIL STD 1ST MATERIAL RESPONSE OR MS803 MIL STD 2ND MATERIAL RESPONSE OVERALL
NSN4820-00-389-6499
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1319088 · 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
•
FSC APPLICATION DATA: VALVE,GASOLINE ENGINE,NONAIRCRAFT
•
BODY OUTSIDE DIAMETER: 1.649 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
•
HARDNESS RATING: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MS926 MIL STD 1ST MATERIAL RESPONSE OR MS803 MIL STD 2ND MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.3695 INCHES MINIMUM AND 1.3795 INCHES MAXIMUM IN
•
MATERIAL: IRON OR STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FSC APPLICATION DATAVALVE,GASOLINE ENGINE,NONAIRCRAFT
BODY OUTSIDE DIAMETER1.649 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMS926 MIL STD 1ST MATERIAL RESPONSE OR MS803 MIL STD 2ND MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER1.3695 INCHES MINIMUM AND 1.3795 INCHES MAXIMUM IN
MATERIALIRON OR STEEL OVERALL
SEAT ANGLE IN DEG90.000 NOMINAL
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
WAUG705Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1319088?
1319088 is a SEAT,VALVE.
What parts can replace 1319088?
There is 1 known substitute for 1319088: WAUG705. Substitute compatibility should be verified for your specific system.
What is the NSN for 1319088?
1319088 is cataloged in the U.S. Government catalog under NSN 4820-00-389-6499. 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.