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HD62K — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

HD62K: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_radius: 0.125 INCHES NOMINAL IN, flange_diameter: 2.742 INCHES MINIMUM AND 2.745 INCHES MAXIMUM IN, hardness_rating: 260.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM BODY, style_designator: THREADED FLANGED, under_flange_height: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-383-6380, 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
HD62K
NSN: 4820-00-383-6380
FSC: 4820 — Valves, Nonpowered
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_radius0.125 INCHES NOMINAL IN
flange_diameter2.742 INCHES MINIMUM AND 2.745 INCHES MAXIMUM IN
hardness_rating260.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM BODY
style_designatorTHREADED FLANGED
under_flange_height0.625 INCHES NOMINAL IN
body_inside_diameter1.749 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
seating_surface_shapeRADIAL
flange_seat_to_disk_end_height0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-383-6380
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HD62K · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 2.742 INCHES MINIMUM AND 2.745 INCHES MAXIMUM IN
•
HARDNESS RATING: 260.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM BODY
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.749 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
•
SEAT RADIUS: 0.125 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
FLANGE DIAMETER2.742 INCHES MINIMUM AND 2.745 INCHES MAXIMUM IN
HARDNESS RATING260.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM BODY
STYLE DESIGNATORTHREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER1.749 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
SEAT RADIUS0.125 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPERADIAL
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
G10010-1PC3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HD62K?
HD62K is a SEAT,VALVE.
What parts can replace HD62K?
There is 1 known substitute for HD62K: G10010-1PC3. Substitute compatibility should be verified for your specific system.
What is the NSN for HD62K?
HD62K is cataloged in the U.S. Government catalog under NSN 4820-00-383-6380. 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.