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GC532BG3 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC532BG3: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include material: PLASTIC, length_under_shoulder: 15.430 INCHES NOMINAL IN, end_item_identification: 0N478/USM636. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-518-7174, 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
GC532BG3
NSN: 5340-01-518-7174
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC
special_featuresCOVER HAS (10) .5" DIA FULL RADIUS SLOTS ON SIDES; (4) MOUNTING HOLES; MATERIAL USED GP105BG3R THERMO FORMING ABS PLASTIC
length_under_shoulder15.430 INCHES NOMINAL IN
end_item_identification0N478/USM636
NSN5340-01-518-7174
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC532BG3 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH UNDER SHOULDER: 15.430 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
LENGTH UNDER SHOULDER15.430 INCHES NOMINAL IN
SPECIAL FEATURESCOVER HAS (10) .5" DIA FULL RADIUS SLOTS ON SIDES; (4) MOUNTING HOLES; MATERIAL USED GP105BG3R THERMO FORMING ABS PLASTIC
END ITEM IDENTIFICATION0N478/USM636
MATERIALPLASTIC
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 GC532BG3?
GC532BG3 is a COVER,PROTECTIVE,DUST AND MOISTU.
What is the NSN for GC532BG3?
GC532BG3 is cataloged in the U.S. Government catalog under NSN 5340-01-518-7174. 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.