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HL36111 ✓ 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

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.3730 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_height: 0.2860 INCHES NOMINAL IN, style_designator: SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-535-4048, 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
HL36111
NSN: 5340-00-535-4048
FSC: 5340
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.3730 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
overall_height0.2860 INCHES NOMINAL IN
style_designatorSEAT
first_step_length0.0700 INCHES NOMINAL IN
counterbore_length0.0950 INCHES NOMINAL IN
first_step_diameter0.5000 INCHES NOMINAL IN
counterbore_diameter0.4130 INCHES NOMINAL IN
second_step_diameter0.6860 INCHES NOMINAL IN
distance_from_end_to_first_step0.0860 INCHES NOMINAL IN
NSN5340-00-535-4048
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HL36111 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
•
FIRST STEP LENGTH: 0.0700 INCHES NOMINAL IN
•
SECOND STEP DIAMETER: 0.6860 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.0860 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
COUNTERBORE LENGTH: 0.0950 INCHES NOMINAL IN
•
END DIAMETER: 0.3730 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEAT
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST STEP LENGTH0.0700 INCHES NOMINAL IN
SECOND STEP DIAMETER0.6860 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.0860 INCHES NOMINAL IN
DESIGN TYPESOLID
COUNTERBORE LENGTH0.0950 INCHES NOMINAL IN
END DIAMETER0.3730 INCHES NOMINAL IN
STYLE DESIGNATORSEAT
MATERIALSTEEL
COUNTERBORE DIAMETER0.4130 INCHES NOMINAL IN
FIRST STEP DIAMETER0.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
M2RS1Interchangeable
interchangeable cross-reference
interchangeable
B107.16M TY2CL2Interchangeable
interchangeable cross-reference
interchangeable
B107.16 TY2CL2Interchangeable
interchangeable cross-reference
interchangeable
QD614Interchangeable
interchangeable cross-reference
interchangeable
36111Interchangeable
interchangeable cross-reference
interchangeable
R55-30-617Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HL36111?
HL36111 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace HL36111?
There are 17 known substitutes for HL36111: M2RS1, B107.16M TY2CL2, B107.16 TY2CL2 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HL36111?
HL36111 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-535-4048. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026