PartsTable
Technical Data Sheet
Download PDF

526-12766 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

526-12766: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include special_features: FLOW UP TO 26.4 GPM; WEIGHT 5.3 LBS LBS, end_item_identification: ALOFTS SONAR SYSTEM MODEL 980 (V1), media_for_which_designed: PETROLEUM BASE FLUID, maximum_inlet_pressure_rating: ERR-060, part_name_assigned_by_controlling_agency: VALVE, PRESSURE RELIEF, SANDWICH PLATE, NW10. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-524-9322, 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
526-12766
NSN: 4820-01-524-9322
FSC: 4820 — Valves, Nonpowered
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
special_featuresFLOW UP TO 26.4 GPM; WEIGHT 5.3 LBS LBS
end_item_identificationALOFTS SONAR SYSTEM MODEL 980 (V1)
media_for_which_designedPETROLEUM BASE FLUID
maximum_inlet_pressure_ratingERR-060
part_name_assigned_by_controlling_agencyVALVE, PRESSURE RELIEF, SANDWICH PLATE, NW10
NSN4820-01-524-9322
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 526-12766 · 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
•
MEDIA FOR WHICH DESIGNED: PETROLEUM BASE FLUID
•
MAXIMUM INLET PRESSURE RATING: ERR-060
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESFLOW UP TO 26.4 GPM; WEIGHT 5.3 LBS LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, PRESSURE RELIEF, SANDWICH PLATE, NW10
END ITEM IDENTIFICATIONALOFTS SONAR SYSTEM MODEL 980 (V1)
MEDIA FOR WHICH DESIGNEDPETROLEUM BASE FLUID
MAXIMUM INLET PRESSURE RATINGERR-060
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
016955Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 526-12766?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 526-12766?
526-12766 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 526-12766?
There is 1 known substitute for 526-12766: 016955. Substitute compatibility should be verified for your specific system.
What is the NSN for 526-12766?
526-12766 is cataloged in the U.S. Government catalog under NSN 4820-01-524-9322. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 526-12766

✓ 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.