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2587778-126 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2587778-126: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.406 INCHES NOMINAL IN, material: STEEL OVERALL, overall_width: 0.750 INCHES NOMINAL IN, style_designator: SINGLE LOOP, surface_treatment: PASSIVATE BAND, material_thickness: 0.032 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-071-9223, 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
2587778-126
NSN: 5340-00-071-9223
FSC: 5340 — Hardware, Commercial
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
materialSTEEL OVERALL
overall_width0.750 INCHES NOMINAL IN
style_designatorSINGLE LOOP
surface_treatmentPASSIVATE BAND
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.750 INCHES NOMINAL IN
cushioning_environmental_protectionHEAT AND OIL RESISTANT
material_document_and_classificationQQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
distance_from_loop_center_to_tongue_end1.281 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.969 INCHES NOMINAL IN
NSN5340-00-071-9223
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2587778-126 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
•
CUSHIONING ENVIRONMENTAL PROTECTION: HEAT AND OIL RESISTANT
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 0.406 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.281 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE BAND
TECHNICAL CHARACTERISTICS
CUSHIONING ENVIRONMENTAL PROTECTIONHEAT AND OIL RESISTANT
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
DIAMETER0.406 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.281 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE BAND
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.969 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2587778-126?
2587778-126 is a CLAMP,LOOP.
What is the NSN for 2587778-126?
2587778-126 is cataloged in the U.S. Government catalog under NSN 5340-00-071-9223. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.