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1DD260 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1DD260: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.719 INCHES MINIMUM AND 2.721 INCHES MAXIMUM IN, length: 5.219 INCHES MINIMUM AND 5.221 INCHES MAXIMUM IN, material: STEEL COMP 1010, body_radius: 0.739 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN, corner_radius: 0.419 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN, hole_diameter: 0.343 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-159-8753, 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
1DD260
NSN: 5340-00-159-8753
FSC: 5340 — Hardware, Commercial
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
width2.719 INCHES MINIMUM AND 2.721 INCHES MAXIMUM IN
length5.219 INCHES MINIMUM AND 5.221 INCHES MAXIMUM IN
materialSTEEL COMP 1010
body_radius0.739 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
corner_radius0.419 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
hole_diameter0.343 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
body_thickness0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleIRREGULAR, TWO HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_length4.379 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
NSN5340-00-159-8753
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1DD260 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
•
CORNER RADIUS: 0.419 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
•
LENGTH: 5.219 INCHES MINIMUM AND 5.221 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 4.379 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BODY RADIUS: 0.739 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: IRREGULAR, TWO HOLES
TECHNICAL CHARACTERISTICS
CORNER RADIUS0.419 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
LENGTH5.219 INCHES MINIMUM AND 5.221 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLES ALONG LENGTH4.379 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
BODY RADIUS0.739 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEIRREGULAR, TWO HOLES
WIDTH2.719 INCHES MINIMUM AND 2.721 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010
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
PC5132458Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1DD260?
1DD260 is a COVER,ACCESS.
What parts can replace 1DD260?
There is 1 known substitute for 1DD260: PC5132458. Substitute compatibility should be verified for your specific system.
What is the NSN for 1DD260?
1DD260 is cataloged in the U.S. Government catalog under NSN 5340-00-159-8753. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
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.