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1012480 — SEAT,VALVE

✓ Government record, cited
3M · GATE VALVE
PRODUCT OVERVIEW

1012480: SEAT,VALVE.

The SEAT,VALVE is a 3M industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 0.746 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN FLANGED, under_flange_height: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, body_inside_diameter: 0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-673-1271, 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
1012480
NSN: 4820-00-673-1271
FSC: 4820 — Valves, Nonpowered
CAGE: 0ZWK8 — MOOG MILITARY AIRCRAFT LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter0.746 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN FLANGED
under_flange_height0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
body_inside_diameter0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.265 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
NSN4820-00-673-1271
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1012480 · 3M ⚠ 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 SEAT TO DISK END HEIGHT: 0.265 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 0.746 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.265 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
FLANGE DIAMETER0.746 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
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

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 1012480?
1012480 is a SEAT,VALVE manufactured by 3M.
What is the NSN for 1012480?
1012480 is cataloged in the U.S. Government catalog under NSN 4820-00-673-1271. 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.