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704AS3499 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

704AS3499: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.000 INCHES NOMINAL IN, length: 3.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, hole_diameter: 0.156 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN, body_thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, features_provided: SPECIAL MARKING. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-268-1315, 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
704AS3499
NSN: 5340-01-268-1315
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
length3.000 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
hole_diameter0.156 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
body_thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
special_featuresFURNISHED W/TWO ADDITIONAL HOLES,0.115 IN. MIN 0.120 IN. MAX DIA; AND SEVEN SLOTS,0.210 IN. MIN 0.212 IN. MAX W BY 0.250 IN. MIN 0.255 IN. MAX LG IN
features_providedSPECIAL MARKING
surface_treatmentCHROMATE
securing_device_typeSPECIAL
hole_quantity_along_width6
hole_quantity_along_length4
cross-sectional_shape_styleFLAT
NSN5340-01-268-1315
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 704AS3499 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.125 INCHES NOMINAL IN
•
LENGTH: 3.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE
•
HOLE QUANTITY ALONG LENGTH: 4
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 0.750 INCHES NOMINAL AND 1.000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.125 INCHES NOMINAL IN
LENGTH3.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE
HOLE QUANTITY ALONG LENGTH4
DISTANCE BETWEEN HOLES ALONG WIDTH0.750 INCHES NOMINAL AND 1.000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
FEATURES PROVIDEDSPECIAL MARKING
SECURING DEVICE TYPESPECIAL
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 704AS3499?
704AS3499 is a COVER,ACCESS.
What is the NSN for 704AS3499?
704AS3499 is cataloged in the U.S. Government catalog under NSN 5340-01-268-1315. This indicates validated use in U.S. government and defense supply chains.
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