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Technical Data Sheet

A3249861 — 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

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.500 INCHES NOMINAL IN, length: 4.600 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, hole_diameter: 0.437 INCHES NOMINAL IN, body_thickness: 0.190 INCHES NOMINAL IN, peripheral_shape_style: RECTANGLE, MULTI HOLES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-469-1546, 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
A3249861
NSN: 5340-01-469-1546
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
width1.500 INCHES NOMINAL IN
length4.600 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
hole_diameter0.437 INCHES NOMINAL IN
body_thickness0.190 INCHES NOMINAL IN
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_length2
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_length3.600 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/8, H32 FED SPEC SINGLE MATERIAL RESPONSE
distance_from_first_hole_centerline_to_end_along_width0.750 INCHES NOMINAL IN
NSN5340-01-469-1546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A3249861 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
CROSS-SECTIONAL SHAPE STYLE: FLAT
MATERIAL: ALUMINUM ALLOY 5052
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
HOLE QUANTITY ALONG LENGTH: 2
HOLE DIAMETER: 0.437 INCHES NOMINAL IN
LENGTH: 4.600 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
WIDTH: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEFLAT
MATERIALALUMINUM ALLOY 5052
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
HOLE QUANTITY ALONG LENGTH2
HOLE DIAMETER0.437 INCHES NOMINAL IN
LENGTH4.600 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
WIDTH1.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8, H32 FED SPEC SINGLE MATERIAL RESPONSE
BODY THICKNESS0.190 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
885-0175Upgraded Successor
successor cross-reference
successor
AMS-QQ-A-250/8Upgraded Successor
successor cross-reference
successor
A3210415Upgraded Successor
successor cross-reference
successor
A3210416Upgraded Successor
successor cross-reference
successor
QQ-A-250/8Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3249861?
A3249861 is a COVER,ACCESS.
What parts can replace A3249861?
There are 5 known substitutes for A3249861: 885-0175, AMS-QQ-A-250/8, A3210415 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3249861?
A3249861 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-469-1546. This indicates validated use in U.S. government and defense supply chains.
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