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621-2850-001 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

621-2850-001: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 6.625 INCHES NOMINAL IN, length: 12.450 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, hole_diameter: 0.250 INCHES NOMINAL IN, body_thickness: 1.625 INCHES NOMINAL IN, surface_treatment: PAINT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-099-6023, 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
621-2850-001
NSN: 5340-01-099-6023
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
width6.625 INCHES NOMINAL IN
length12.450 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
hole_diameter0.250 INCHES NOMINAL IN
body_thickness1.625 INCHES NOMINAL IN
surface_treatmentPAINT
fsc_application_dataRADIO NAVIGATION,NONAIRBORNE
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, NO HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-099-6023
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 621-2850-001 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
•
FSC APPLICATION DATA: RADIO NAVIGATION,NONAIRBORNE
•
LENGTH: 12.450 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
SURFACE TREATMENT: PAINT
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARADIO NAVIGATION,NONAIRBORNE
LENGTH12.450 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
SURFACE TREATMENTPAINT
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
WIDTH6.625 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 5052
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 1
621-2850Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 621-2850-001?
621-2850-001 is a COVER,ACCESS.
What parts can replace 621-2850-001?
There is 1 known substitute for 621-2850-001: 621-2850. Substitute compatibility should be verified for your specific system.
What is the NSN for 621-2850-001?
621-2850-001 is cataloged in the U.S. Government catalog under NSN 5340-01-099-6023. This indicates validated use in U.S. government and defense supply chains.
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