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A51B51043-3 — SEAL ASSEMBLY,INBOARD SLAT AND E

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51B51043-3: SEAL ASSEMBLY,INBOARD SLAT AND E.

SEAL ASSEMBLY,INBOARD SLAT AND E. This part is cataloged in the U.S. Government catalog under NSN 5330-00-848-3574, 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
A51B51043-3
NSN: 5330-00-848-3574
FSC: 5330 — Packing and Gasket Materials
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSILICONE RUBBER ZZ-R-765 CL 2B,DUROMETER RATING 60.0,ALUMINUM ALLOY INSERT QQ-A-250/4 2024-T3 0.020 IN. THK,COVER DACRON/RUBBER FREE/TRICOT WEAVE BONDED OVER CORE IN
NSN5330-00-848-3574
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51B51043-3 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: SILICONE RUBBER ZZ-R-765 CL 2B,DUROMETER RATING 60.0,ALUMINUM ALLOY INSERT QQ-A-250/4 2024-T3 0.020 IN. THK,COVER DACRON/RUBBER FREE/TRICOT WEAVE BONDED OVER CORE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSILICONE RUBBER ZZ-R-765 CL 2B,DUROMETER RATING 60.0,ALUMINUM ALLOY INSERT QQ-A-250/4 2024-T3 0.020 IN. THK,COVER DACRON/RUBBER FREE/TRICOT WEAVE BONDED OVER CORE IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
A51B51043-401Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A51B51043-3?
A51B51043-3 is a SEAL ASSEMBLY,INBOARD SLAT AND E.
What parts can replace A51B51043-3?
There is 1 known substitute for A51B51043-3: A51B51043-401. Substitute compatibility should be verified for your specific system.
What is the NSN for A51B51043-3?
A51B51043-3 is cataloged in the U.S. Government catalog under NSN 5330-00-848-3574. 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.