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DM-893 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DM-893: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, hole_diameter: 0.136 INCHES NOMINAL IN, body_thickness: 0.125 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, surface_treatment: PAINT, fsc_application_data: RADAR EQUIPMENT,AIRBORNE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-405-6739, 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
DM-893
NSN: 5340-00-405-6739
FSC: 5340 — Hardware, Commercial
CAGE: 03TF2 — TRIANGLE TOOL CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
hole_diameter0.136 INCHES NOMINAL IN
body_thickness0.125 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
surface_treatmentPAINT
fsc_application_dataRADAR EQUIPMENT,AIRBORNE
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
hole_quantity_along_length4
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_hole_centers0.460 INCHES NOMINAL IN
NSN5340-00-405-6739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DM-893 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: RADAR EQUIPMENT,AIRBORNE
•
HOLE QUANTITY ALONG LENGTH: 4
•
DISTANCE BETWEEN HOLE CENTERS: 0.460 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8,TEMPER-T651 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 0.270 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARADAR EQUIPMENT,AIRBORNE
HOLE QUANTITY ALONG LENGTH4
DISTANCE BETWEEN HOLE CENTERS0.460 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,TEMPER-T651 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE0.270 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
SURFACE TREATMENTPAINT
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DM-893?
DM-893 is a COVER,ACCESS.
What is the NSN for DM-893?
DM-893 is cataloged in the U.S. Government catalog under NSN 5340-00-405-6739. 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.