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27773-1 — RIB,STIFFENER,AIRCRAFT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

27773-1: RIB,STIFFENER,AIRCRAFT.

The RIB,STIFFENER,AIRCRAFT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, aircraft_location: INBOARD FLAP, aircraft_station_number: 582.62 AND 589.62, end_item_identification: B-52 AIRCRAFT, aircraft_mission_design_series: B-52, part_name_assigned_by_controlling_agency: RIB ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-862-2063, 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
27773-1
NSN: 5340-00-862-2063
NIINs: 008622063, 013449333, 016481803
FSC: 5340 — Hardware, Commercial
CAGE: 83508 — HETTICH AMERICA, L.P. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
aircraft_locationINBOARD FLAP
aircraft_station_number582.62 AND 589.62
end_item_identificationB-52 AIRCRAFT
aircraft_mission_design_seriesB-52
part_name_assigned_by_controlling_agencyRIB ASSEMBLY
NSN5340-00-862-2063
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27773-1 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
•
EXTENDED LENGTH: 46.630 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: END ITEM LGM-30 MINUTEMAN MISSILE
•
CRITICALITY CODE JUSTIFICATION: SUPP
•
WIDTH: 0.500 INCHES NOMINAL IN
•
SIDE FOR WHICH DESIGNED: LEFT HAND
•
NUCLEAR HARDNESS CRITICAL FEATURE: HARDENED
TECHNICAL CHARACTERISTICS
EXTENDED LENGTH46.630 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESEND ITEM LGM-30 MINUTEMAN MISSILE
CRITICALITY CODE JUSTIFICATIONSUPP
SPECIAL FEATURESUSED OPPOSITE 5340008622062
WIDTH0.500 INCHES NOMINAL IN
SIDE FOR WHICH DESIGNEDLEFT HAND
NUCLEAR HARDNESS CRITICAL FEATUREHARDENED
SUBSTITUTES & CROSS-REFERENCES 3
13005ALReference document
Same NSN cross-reference
Reference document — Secondary reference
BACS10G1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
70-105554-21Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 27773-1?
27773-1 is a RIB,STIFFENER,AIRCRAFT.
What parts can replace 27773-1?
There are 3 known substitutes for 27773-1: 13005AL, BACS10G1, 70-105554-21. Substitute compatibility should be verified for your specific system.
What is the NSN for 27773-1?
27773-1 is cataloged in the U.S. Government catalog under NSN 5340-00-862-2063. 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.