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Technical Data Sheet

RB15257-3 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: ALUMINUM ALLOY 3003, drive_type: SERRATED, design_type: THREADED, thread_class: 2A A, overall_diameter: 0.580 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN, special_features: SHOULDER 0.220 IN. MIN THK; THD 0.430 IN.

MIN 0.510 IN. MAX LG IN. This part is cataloged in the Federal Logistics Information System under NSN 5340-00-817-0912, 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
RB15257-3
NSN: 5340-00-817-0912
FSC: 5340
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 3003
drive_typeSERRATED
design_typeTHREADED
thread_class2A A
overall_diameter0.580 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
special_featuresSHOULDER 0.220 IN. MIN THK; THD 0.430 IN. MIN 0.510 IN. MAX LG IN
features_providedSHOULDER
material_document_and_classificationQQ-A-250/2, 0 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator0.4375-20 UNF
NSN5340-00-817-0912
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RB15257-3 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/2, 0 FED SPEC SINGLE MATERIAL RESPONSE
•
FEATURES PROVIDED: SHOULDER
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.4375-20 UNF
•
DESIGN TYPE: THREADED
•
DRIVE TYPE: SERRATED
•
MATERIAL: ALUMINUM ALLOY 3003
•
OVERALL DIAMETER: 0.580 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/2, 0 FED SPEC SINGLE MATERIAL RESPONSE
FEATURES PROVIDEDSHOULDER
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.4375-20 UNF
SPECIAL FEATURESSHOULDER 0.220 IN. MIN THK; THD 0.430 IN. MIN 0.510 IN. MAX LG IN
DESIGN TYPETHREADED
DRIVE TYPESERRATED
MATERIALALUMINUM ALLOY 3003
OVERALL DIAMETER0.580 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
THREAD CLASS2A A
END ITEM IDENTIFICATIONW/S:AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); AIRCRAFT, AIRLIFTER C-17A; ENGINE, AIRCRAFT, F-108 (CFM-56, KC-135A); ENGINE, AIRCRAFT, F100-PW-100 (F-15A/B/C/D); AIRCRAFT, C-2A (REPROCURED); HELICOPTER, ADVANCE ATTACK, AH-1W; HELICOPTER, MH-53E; ENGINE, AIRCRAFT F-117, PW-100 (C-17A); ENGINE, AIRCRAFT, F110-GE-100/129 (F-16C/D) A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
ASP-4Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
50068Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
P4Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
106065E01 P/N P-4Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
5006-8NInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7307GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RB15257-3?
RB15257-3 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace RB15257-3?
There are 21 known substitutes for RB15257-3: ASP-4, 50068, P4 and 18 more. Substitute compatibility should be verified for your specific system.
Is RB15257-3 still available?
RB15257-3 is currently cancelled.
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