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17BV270 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

17BV270: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_radius: 0.031 INCHES NOMINAL IN, flange_diameter: 1.170 INCHES NOMINAL IN, hardness_rating: 30.0 ROCKWELL C NOMINAL OVERALL, special_features: FOUR SLOTS LOCATED 0.188 IN. BETWEEN CENTERS IN, style_designator: PLAIN FLANGED.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-081-2628, 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
17BV270
NSN: 4820-01-081-2628
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_radius0.031 INCHES NOMINAL IN
flange_diameter1.170 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C NOMINAL OVERALL
special_featuresFOUR SLOTS LOCATED 0.188 IN. BETWEEN CENTERS IN
style_designatorPLAIN FLANGED
under_flange_height0.020 INCHES NOMINAL IN
body_inside_diameter0.584 INCHES NOMINAL IN
body_outside_diameter0.834 INCHES NOMINAL IN
seating_surface_shapeRADIAL
flange_seat_to_disk_end_height0.030 INCHES NOMINAL IN
NSN4820-01-081-2628
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 17BV270 · 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: 0.030 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.170 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.834 INCHES NOMINAL IN
•
HARDNESS RATING: 30.0 ROCKWELL C NOMINAL OVERALL
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.584 INCHES NOMINAL IN
•
SEAT RADIUS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.030 INCHES NOMINAL IN
FLANGE DIAMETER1.170 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.834 INCHES NOMINAL IN
HARDNESS RATING30.0 ROCKWELL C NOMINAL OVERALL
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.584 INCHES NOMINAL IN
SEAT RADIUS0.031 INCHES NOMINAL IN
SPECIAL FEATURESFOUR SLOTS LOCATED 0.188 IN. BETWEEN CENTERS IN
UNDER FLANGE HEIGHT0.020 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 17BV270?
17BV270 is a SEAT,VALVE.
What is the NSN for 17BV270?
17BV270 is cataloged in the U.S. Government catalog under NSN 4820-01-081-2628. 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.