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PartsTable / COMPONENT / 127-0027-011
127-0027-011 ✓ 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: RUBBER SYNTHETIC OR PLASTIC CUSHION, overall_width: 0.500 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: PASSIVATE BAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-254-5025, 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
127-0027-011
NSN: 5340-00-254-5025
FSC: 5340
CAGE: 94756 — THE BOEING COMPANY DIV LEGACY BOEING HB1 (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialRUBBER SYNTHETIC OR PLASTIC CUSHION
overall_width0.500 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
surface_treatmentPASSIVATE BAND
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.750 INCHES NOMINAL IN
cushioning_environmental_protectionFUEL, AROMATIC
material_document_and_classificationMIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end1.060 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.842 INCHES NOMINAL IN
NSN5340-00-254-5025
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 127-0027-011 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: 0.032 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING BAND
•
SURFACE TREATMENT: PASSIVATE BAND
•
STYLE DESIGNATOR: OFFSET MOUNT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE BAND
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING BAND
SURFACE TREATMENTPASSIVATE BAND
STYLE DESIGNATOROFFSET MOUNT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE BAND
MATERIALRUBBER SYNTHETIC OR PLASTIC CUSHION
DISTANCE FROM LOOP CENTER TO TONGUE END1.060 INCHES NOMINAL IN
CUSHIONING ENVIRONMENTAL PROTECTIONFUEL, AROMATIC
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MIL-DTL-8603Upgraded Successor
successor cross-reference
successor
TA1716WS4Upgraded Successor
successor cross-reference
successor
MS21919WG4Upgraded Successor
successor cross-reference
successor
MIL-C-8603Upgraded Successor
successor cross-reference
successor
MS21919CJ12Upgraded Successor
successor cross-reference
successor
10335339Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 127-0027-011?
127-0027-011 is a CLAMP,LOOP.
What parts can replace 127-0027-011?
There are 17 known substitutes for 127-0027-011: MIL-DTL-8603, TA1716WS4, MS21919WG4 and 14 more. Substitute compatibility should be verified for your specific system.
Is 127-0027-011 still available?
127-0027-011 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