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7978729 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7978729: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.219 INCHES NOMINAL IN, material: STEEL BAND, overall_width: 0.875 INCHES NOMINAL IN, overall_length: 1.813 INCHES NOMINAL IN, special_features: FOR RH APPLICATION, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-797-8729, 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
7978729
NSN: 5340-00-797-8729
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
diameter0.219 INCHES NOMINAL IN
materialSTEEL BAND
overall_width0.875 INCHES NOMINAL IN
overall_length1.813 INCHES NOMINAL IN
special_featuresFOR RH APPLICATION
tongue_hole_typeROUND, UNTHREADED
material_thickness0.0299 INCHES NOMINAL IN
loop_inside_diameter0.750 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-00640 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end1.469 INCHES NOMINAL IN
distance_from_outer_edge_of_lug_to_hole_center0.438 INCHES NOMINAL IN
distance_from_loop_center_to_base_of_offset_tongue1.156 INCHES NOMINAL IN
NSN5340-00-797-8729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7978729 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
•
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER: 0.438 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO BASE OF OFFSET TONGUE: 1.156 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-00640 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
DIAMETER: 0.219 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0299 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER0.438 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO BASE OF OFFSET TONGUE1.156 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-00640 FED SPEC SINGLE MATERIAL RESPONSE BAND
DIAMETER0.219 INCHES NOMINAL IN
OVERALL LENGTH1.813 INCHES NOMINAL IN
OVERALL WIDTH0.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.0299 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.469 INCHES NOMINAL IN
SPECIAL FEATURESFOR RH APPLICATION
TONGUE HOLE TYPEROUND, UNTHREADED
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 7978729?
7978729 is a CLAMP,LOOP.
What is the NSN for 7978729?
7978729 is cataloged in the U.S. Government catalog under NSN 5340-00-797-8729. 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.