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L21849P17 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

L21849P17: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, length: 1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, material: STEEL, corner_radius: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, hole_diameter: 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN, body_thickness: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-154-0251, 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
L21849P17
NSN: 5340-01-154-0251
FSC: 5340 — Hardware, Commercial
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
width1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
length1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
materialSTEEL
corner_radius0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
hole_diameter0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
body_thickness0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width1.404 INCHES MINIMUM AND 1.424 INCHES MAXIMUM IN
distance_between_holes_along_length1.404 INCHES MINIMUM AND 1.424 INCHES MAXIMUM IN
NSN5340-01-154-0251
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L21849P17 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: 0.266 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
CORNER RADIUS: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
LENGTH: 1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.404 INCHES MINIMUM AND 1.424 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.404 INCHES MINIMUM AND 1.424 INCHES MAXIMUM IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.266 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
CORNER RADIUS0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
LENGTH1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.404 INCHES MINIMUM AND 1.424 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.404 INCHES MINIMUM AND 1.424 INCHES MAXIMUM IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.266 INCHES MINIMUM AND 0.290 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is L21849P17?
L21849P17 is a COVER,ACCESS.
What is the NSN for L21849P17?
L21849P17 is cataloged in the U.S. Government catalog under NSN 5340-01-154-0251. 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.