PartsTable
Technical Data Sheet
Download PDF

LJ-549A — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LJ-549A: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, peripheral_shape_style: RECTANGLE, FOUR HOLES, material_document_and_classification: MIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-168-1891, 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
LJ-549A
NSN: 5340-01-168-1891
FSC: 5340 — Hardware, Commercial
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL
peripheral_shape_styleRECTANGLE, FOUR HOLES
material_document_and_classificationMIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-168-1891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LJ-549A 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE
•
PERIPHERAL SHAPE STYLE: RECTANGLE, FOUR HOLES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
H-3503Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
H-3503PIECE57Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy LJ-549A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is LJ-549A?
LJ-549A is a COVER,ACCESS.
What parts can replace LJ-549A?
There are 2 known substitutes for LJ-549A: H-3503, H-3503PIECE57. Substitute compatibility should be verified for your specific system.
What is the NSN for LJ-549A?
LJ-549A is cataloged in the U.S. Government catalog under NSN 5340-01-168-1891. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LJ-549A