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541542 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The FOLLOWER UNIT,DIAPHRAGM is a the manufacturer industrial component. Key specifications include end_item_identification: 2210002992854. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-054-1542, 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
541542
NSN: 5340-00-054-1542
FSC: 5340
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
end_item_identification2210002992854
NSN5340-00-054-1542
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 541542 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
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL: STEEL COMP 1010
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
•
RADIUS: 3.188 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.083 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIALSTEEL COMP 1010
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
RADIUS3.188 INCHES NOMINAL IN
MATERIAL THICKNESS0.083 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
BE733AUpgraded Successor
successor cross-reference
successor
172592Upgraded Successor
successor cross-reference
successor
23139VUpgraded Successor
successor cross-reference
successor
33-37Upgraded Successor
successor cross-reference
successor
94-3-21-10 CCUpgraded Successor
successor cross-reference
successor
32379Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 541542?
541542 is a FOLLOWER UNIT,DIAPHRAGM.
What parts can replace 541542?
There are 25 known substitutes for 541542: BE733A, 172592, 23139V and 22 more. Substitute compatibility should be verified for your specific system.
Is 541542 still available?
541542 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026