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A51B52026-401 — SEAL ASSY,AERODYNAMIC

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51B52026-401: SEAL ASSY,AERODYNAMIC.

The SEAL ASSY,AERODYNAMIC is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-197-2178, 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
A51B52026-401
NSN: 5330-01-197-2178
FSC: 5330 — Packing and Gasket Materials
CAGE: 61174 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
Part NumberA51B52026-401
NSN5330-01-197-2178
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51B52026-401 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: CONSISTS OF SEAL P/N A51B52026-411,ADHESIVE BONDED TO ALUMINUM RETAINER P/N A51B52026-17,ALLOY 2024-T62,QQ-A-250/4,ANODIZED,MIL-A-8625,TY 2,CL 1,PRIMER COATED,MIL-P-23377; 4 HOLES ALONG LG,CENTERED 1.414 IN. FROM LG EDGE OF SEAL,0.191 IN. MIN,0.198 IN. MAX DIA,RETAINER SIDE COUNTERSUNK 100.0 DEG TO 0.305 IN. MIN,0.315 IN. MAX DIA,SEAL SIDE COUNTERBORED 0.312 IN. DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF SEAL P/N A51B52026-411,ADHESIVE BONDED TO ALUMINUM RETAINER P/N A51B52026-17,ALLOY 2024-T62,QQ-A-250/4,ANODIZED,MIL-A-8625,TY 2,CL 1,PRIMER COATED,MIL-P-23377; 4 HOLES ALONG LG,CENTERED 1.414 IN. FROM LG EDGE OF SEAL,0.191 IN. MIN,0.198 IN. MAX DIA,RETAINER SIDE COUNTERSUNK 100.0 DEG TO 0.305 IN. MIN,0.315 IN. MAX DIA,SEAL SIDE COUNTERBORED 0.312 IN. DIA 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

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 A51B52026-401?
A51B52026-401 is a SEAL ASSY,AERODYNAMIC.
What is the NSN for A51B52026-401?
A51B52026-401 is cataloged in the U.S. Government catalog under NSN 5330-01-197-2178. 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.