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4F-4974 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4F-4974: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.406 INCHES NOMINAL IN, material: STEEL BAND, overall_width: 0.875 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-352-7779, 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
4F-4974
NSN: 5340-00-352-7779
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
materialSTEEL BAND
overall_width0.875 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.250 INCHES NOMINAL IN
loop_inside_diameter4.156 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end3.563 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole2.875 INCHES NOMINAL IN
NSN5340-00-352-7779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4F-4974 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
•
DIAMETER: 0.406 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.250 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 3.563 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 2.875 INCHES NOMINAL IN
•
MATERIAL: STEEL BAND
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE LOOP
DIAMETER0.406 INCHES NOMINAL IN
OVERALL WIDTH0.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.250 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END3.563 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE2.875 INCHES NOMINAL IN
MATERIALSTEEL BAND
LOOP INSIDE DIAMETER4.156 INCHES NOMINAL IN
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 4F-4974?
4F-4974 is a CLAMP,LOOP.
What is the NSN for 4F-4974?
4F-4974 is cataloged in the U.S. Government catalog under NSN 5340-00-352-7779. 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.