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2588495 — RIB,STIFFENER,AIRCRAFT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2588495: RIB,STIFFENER,AIRCRAFT.

The RIB,STIFFENER,AIRCRAFT is a the manufacturer industrial component. Key specifications include end_item_identification: B-52 AIRCRAFT, aircraft_mission_design_series: B-52 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-055-8836, 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
2588495
NSN: 5340-01-055-8836
NIINs: 010558836, 016272185
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationB-52 AIRCRAFT
aircraft_mission_design_seriesB-52 AIRCRAFT
NSN5340-01-055-8836
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2588495 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
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.560 INCHES NOMINAL IN
•
FIRST LEG HOLE DIAMETER: 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
•
FIRST LEG ANGLE: 90.0 DEGREES NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG HOLE DIAMETER: 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
•
SECOND LEG WIDTH: 0.112 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 1.750 INCHES NOMINAL IN
•
FIRST LEG HOLE ARRANGEMENT STYLE: ONE HOLE
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.560 INCHES NOMINAL IN
FIRST LEG HOLE DIAMETER0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
FIRST LEG ANGLE90.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
SECOND LEG WIDTH0.112 INCHES NOMINAL IN
SECOND LEG LENGTH1.750 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLEONE HOLE
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.562 INCHES NOMINAL IN
STYLE DESIGNATORANGLE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2588495?
2588495 is a RIB,STIFFENER,AIRCRAFT.
What is the NSN for 2588495?
2588495 is cataloged in the U.S. Government catalog under NSN 5340-01-055-8836. 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.