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Technical Data Sheet
PartsTable / COMPONENT / 12Z7003-5003
12Z7003-5003 ✓ 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: 0.171 INCHES NOMINAL IN, material: RUBBER SYNTHETIC CUSHION, overall_width: 0.625 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.025 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-200-6556, 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
12Z7003-5003
NSN: 5340-00-200-6556
FSC: 5340
CAGE: 94135 — NAVAL ORDNANCE STANDARDS (USA)
SPECIFICATIONS
diameter0.171 INCHES NOMINAL IN
materialRUBBER SYNTHETIC CUSHION
overall_width0.625 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.025 INCHES NOMINAL IN
loop_inside_diameter0.312 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
cushioning_environmental_protectionFLAME RESISTANT
material_document_and_classificationQQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.766 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.500 INCHES NOMINAL IN
NSN5340-00-200-6556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12Z7003-5003 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.766 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL: RUBBER SYNTHETIC CUSHION
•
CUSHIONING ENVIRONMENTAL PROTECTION: FLAME RESISTANT
•
DIAMETER: 0.171 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSINGLE LOOP
DISTANCE FROM LOOP CENTER TO TONGUE END0.766 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIALRUBBER SYNTHETIC CUSHION
CUSHIONING ENVIRONMENTAL PROTECTIONFLAME RESISTANT
DIAMETER0.171 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
STYLE DESIGNATORSINGLE LOOP
MATERIALALUMINUM ALLOY 2024 BAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
40-06Upgraded Successor
successor cross-reference
successor
A52KZU-1Upgraded Successor
successor cross-reference
successor
14319Upgraded Successor
successor cross-reference
successor
361-60094Interchangeable
interchangeable cross-reference
interchangeable
W8119088PC14Interchangeable
interchangeable cross-reference
interchangeable
C12A3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12Z7003-5003?
12Z7003-5003 is a CLAMP,LOOP.
What parts can replace 12Z7003-5003?
There are 29 known substitutes for 12Z7003-5003: 40-06, A52KZU-1, 14319 and 26 more. Substitute compatibility should be verified for your specific system.
Is 12Z7003-5003 still available?
12Z7003-5003 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