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74A315010-2003 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74A315010-2003: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.050 INCHES NOMINAL IN, length: 2.250 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, hole_diameter: 0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN, body_thickness: 0.080 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, peripheral_shape_style: RECTANGLE, FOUR HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-129-9945, 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
74A315010-2003
NSN: 5340-01-129-9945
FSC: 5340 — Hardware, Commercial
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
width2.050 INCHES NOMINAL IN
length2.250 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
hole_diameter0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
body_thickness0.080 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width1.130 INCHES NOMINAL IN
distance_between_holes_along_length1.250 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
distance_from_first_hole_centerline_to_end_along_width0.440 INCHES MINIMUM IN
NSN5340-01-129-9945
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74A315010-2003 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: 0.440 INCHES MINIMUM IN
•
LENGTH: 2.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.130 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.440 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.440 INCHES MINIMUM IN
LENGTH2.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.130 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
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.440 INCHES MINIMUM IN
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
WIDTH2.050 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 2
PL74A315010-2003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10112552Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 74A315010-2003?
74A315010-2003 is a COVER,ACCESS.
What parts can replace 74A315010-2003?
There are 2 known substitutes for 74A315010-2003: PL74A315010-2003, 10112552. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A315010-2003?
74A315010-2003 is cataloged in the U.S. Government catalog under NSN 5340-01-129-9945. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.