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Technical Data Sheet
PartsTable / COMPONENT / S138-0
S138-0 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-042-4882, 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
S138-0
NSN: 5340-01-042-4882
FSC: 5340
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
loop_inside_diameter0.395 INCHES NOMINAL IN
cushioning_environmental_protectionFUEL RESISTANT AND HEAT
material_document_and_classificationQQ-A-250/5 T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.839 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.606 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN
NSN5340-01-042-4882
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S138-0 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 THICKNESS: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: OFFSET MOUNT
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE CUSHION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
CUSHIONING ENVIRONMENTAL PROTECTION: FUEL RESISTANT AND HEAT
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
STYLE DESIGNATOROFFSET MOUNT
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE CUSHION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
MATERIALALUMINUM ALLOY 2024 BAND
CUSHIONING ENVIRONMENTAL PROTECTIONFUEL RESISTANT AND HEAT
OVERALL WIDTH0.500 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
DIAMETER0.204 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.606 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
BB61S47-085PC136Interchangeable
interchangeable cross-reference
interchangeable
BB61S47-088PC136Interchangeable
interchangeable cross-reference
interchangeable
54Interchangeable
interchangeable cross-reference
interchangeable
TG11Interchangeable
interchangeable cross-reference
interchangeable
WT215-16QInterchangeable
interchangeable cross-reference
interchangeable
T93-16BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S138-0?
S138-0 is a CLAMP,LOOP.
What parts can replace S138-0?
There are 15 known substitutes for S138-0: BB61S47-085PC136, BB61S47-088PC136, 54 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S138-0?
S138-0 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-042-4882. 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