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525635 — 525635

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

525635: 525635.

The 525635 is a the manufacturer industrial component. Key specifications include end_item_identification: APX-103, E-3 AWACS, part_name_assigned_by_controlling_agency: CIRCUIT CARD ASSEMBLY SYSTEM INTERFACE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-297-9878, 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
MRO→ MRO_GENERAL→ 525635
NSN: 5330-00-297-9878
NIINs: 002979878, 010187758, 010884301, 016236838
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
end_item_identificationAPX-103, E-3 AWACS
part_name_assigned_by_controlling_agencyCIRCUIT CARD ASSEMBLY SYSTEM INTERFACE
NSN5330-00-297-9878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 525635 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
•
CROSS-SECTIONAL THICKNESS: 0.030 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 7.125 INCHES NOMINAL IN
•
APERTURE DIAMETER: 5.250 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 9
•
BOLT CIRCLE DIAMETER: 6.250 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.030 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER7.125 INCHES NOMINAL IN
APERTURE DIAMETER5.250 INCHES NOMINAL IN
BOLT HOLE QUANTITY9
BOLT CIRCLE DIAMETER6.250 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
HOLE DIAMETER0.340 INCHES MINIMUM AND 0.410 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
7954407Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 525635?
525635 is a 525635. It is classified as a MRO (MRO_GENERAL).
What parts can replace 525635?
There is 1 known substitute for 525635: 7954407. Substitute compatibility should be verified for your specific system.
What is the NSN for 525635?
525635 is cataloged in the U.S. Government catalog under NSN 5330-00-297-9878. 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.