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5017941 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5017941: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include length: 1.690 INCHES NOMINAL IN, material: COPPER ALLOY, body_thickness: 0.185 INCHES NOMINAL IN, special_features: USED ON 75MM PACK HOWITZER MM, inside_corner_radius: 0.030 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-501-7941, 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
5017941
NSN: 5340-00-501-7941
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
length1.690 INCHES NOMINAL IN
materialCOPPER ALLOY
body_thickness0.185 INCHES NOMINAL IN
special_featuresUSED ON 75MM PACK HOWITZER MM
inside_corner_radius0.030 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, TWO HOLES
cross-sectional_shape_styleARCHED
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
distance_from_first_hole_centerline_to_end_along_width0.718 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length1.281 INCHES NOMINAL IN
NSN5340-00-501-7941
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5017941 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: 0.718 INCHES NOMINAL IN
•
LENGTH: 1.690 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.030 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ARCHED
•
SECURING DEVICE TYPE: THREADED FASTENER
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 1.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.718 INCHES NOMINAL IN
LENGTH1.690 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.030 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEARCHED
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH1.281 INCHES NOMINAL IN
SPECIAL FEATURESUSED ON 75MM PACK HOWITZER MM
PERIPHERAL SHAPE STYLERECTANGLE, TWO HOLES
MATERIALCOPPER ALLOY
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5017941?
5017941 is a COVER,ACCESS.
What is the NSN for 5017941?
5017941 is cataloged in the U.S. Government catalog under NSN 5340-00-501-7941. 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.