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508S — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

508S: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include surface_shape: RECTANGULAR, overall_length: 5.0 INCHES NOMINAL IN, special_features: HEIGHT: 4 INCHES; PHOTOGRAPHIC ID CARDS FEATURE A COLOR SCALE AND GRAY SCALE FOR VERIFYING CAMERA SETTINGS IN, surface_inscription: INSCRIPTION INCLUDES AREA FOR: DATE, TIME, CASE NUMBER, PHOTO TAKEN ET, display/plotting_surface_type: INSCRIBED, part_name_assigned_by_controlling_agency: 25 - PHOTOGRAPHIC ID CARDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-123-0270, 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
508S
NSN: 4820-01-123-0270
NIINs: 011230270, 016932614
FSC: 4820 — Valves, Nonpowered
CAGE: 23724 — RUTHMAN PUMP AND ENGINEERING INC DBA FULFLO SPECIALTIES CO DIV FULFLO SPECIALTIES CO. (USA)
SPECIFICATIONS
surface_shapeRECTANGULAR
overall_length5.0 INCHES NOMINAL IN
special_featuresHEIGHT: 4 INCHES; PHOTOGRAPHIC ID CARDS FEATURE A COLOR SCALE AND GRAY SCALE FOR VERIFYING CAMERA SETTINGS IN
surface_inscriptionINSCRIPTION INCLUDES AREA FOR: DATE, TIME, CASE NUMBER, PHOTO TAKEN ET
display/plotting_surface_typeINSCRIBED
part_name_assigned_by_controlling_agency25 - PHOTOGRAPHIC ID CARDS
NSN4820-01-123-0270
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 508S · 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: STEEL OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 2
V-769Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
V-769-JReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 508S?
508S is a SEAT,VALVE.
What parts can replace 508S?
There are 2 known substitutes for 508S: V-769, V-769-J. Substitute compatibility should be verified for your specific system.
What is the NSN for 508S?
508S is cataloged in the U.S. Government catalog under NSN 4820-01-123-0270. This indicates validated use in U.S. government and defense supply chains.
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