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BL-11290-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BL-11290-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 1100, body_thickness: 0.025 INCHES NOMINAL IN, special_features: TWO THRU UNTHREADED HOLES,0.154 IN. MIN,0.159 IN.

MAX DIAMETER IN, surface_treatment: OXIDE FILM, material_document_and_classification: QQ-A-250/1,ALLOY 1100,TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE, surface_treatment_document_and_classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A. This part is cataloged in the U.S. Government catalog under NSN 5340-01-221-8754, 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
BL-11290-1
NSN: 5340-01-221-8754
FSC: 5340 — Hardware, Commercial
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 1100
body_thickness0.025 INCHES NOMINAL IN
special_featuresTWO THRU UNTHREADED HOLES,0.154 IN. MIN,0.159 IN. MAX DIAMETER IN
surface_treatmentOXIDE FILM
material_document_and_classificationQQ-A-250/1,ALLOY 1100,TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-01-221-8754
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BL-11290-1 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/1,ALLOY 1100,TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: OXIDE FILM
•
MATERIAL: ALUMINUM ALLOY 1100
•
BODY THICKNESS: 0.025 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/1,ALLOY 1100,TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESTWO THRU UNTHREADED HOLES,0.154 IN. MIN,0.159 IN. MAX DIAMETER IN
SURFACE TREATMENTOXIDE FILM
MATERIALALUMINUM ALLOY 1100
BODY THICKNESS0.025 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is BL-11290-1?
BL-11290-1 is a COVER,ACCESS.
What is the NSN for BL-11290-1?
BL-11290-1 is cataloged in the U.S. Government catalog under NSN 5340-01-221-8754. This indicates validated use in U.S. government and defense supply chains.
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