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Technical Data Sheet
PartsTable / MRO / S7-65
S7-65 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The LIGHT,INFRARED TRANSMITTER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.000 INCHES MAXIMUM IN, fastener_length: 1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-196-5351, 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
MRO→ MRO_GENERAL→ S7-65
NSN: 5331-00-196-5351
FSC: 5331 — O-RING
CAGE: 73277 — HOUGHTON INTERNATIONAL INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
thread_class2A A
thread_length2.000 INCHES MAXIMUM IN
fastener_length1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
center_hole_diameter6.202 INCHES MINIMUM AND 6.248 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5331-00-196-5351
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S7-65 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: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 6.202 INCHES MINIMUM AND 6.248 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER6.202 INCHES MINIMUM AND 6.248 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
R5111MNInterchangeable
interchangeable cross-reference
interchangeable
XR5111NInterchangeable
interchangeable cross-reference
interchangeable
MS25036-113Interchangeable
interchangeable cross-reference
interchangeable
182065Interchangeable
interchangeable cross-reference
interchangeable
182046Interchangeable
interchangeable cross-reference
interchangeable
21161-3869Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S7-65?
S7-65 is a LIGHT,INFRARED TRANSMITTER. It is classified as a MRO (MRO_GENERAL).
What parts can replace S7-65?
There are 27 known substitutes for S7-65: R5111MN, XR5111N, MS25036-113 and 24 more. Substitute compatibility should be verified for your specific system.
Is S7-65 still available?
S7-65 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