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211791 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

211791: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.2010 INCHES MINIMUM AND 0.2090 INCHES MAXIMUM IN, material: COPPER ALLOY, overall_width: 0.7500 INCHES NOMINAL IN, overall_length: 3.7500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-443-1317, 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
211791
NSN: 5340-01-443-1317
NIINs: 014431317, 014688376
FSC: 5340 — Hardware, Commercial
CAGE: 21877 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
diameter0.2010 INCHES MINIMUM AND 0.2090 INCHES MAXIMUM IN
materialCOPPER ALLOY
overall_width0.7500 INCHES NOMINAL IN
overall_length3.7500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCHROMATE OVERALL
material_thickness0.1250 INCHES NOMINAL IN
end_item_identificationVALVE ASSY, LEVEL CONTROL SHUTOFF, ACFT B-2 BOMBER
material_document_and_classificationQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-5541, CL 1A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A
center_to_center_distance_between_first_and_second_holes3.0310 INCHES NOMINAL IN
NSN5340-01-443-1317
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211791 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CL 1A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.2010 INCHES MINIMUM AND 0.2090 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.1250 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN FIRST AND SECOND HOLES: 3.0310 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.2010 INCHES MINIMUM AND 0.2090 INCHES MAXIMUM IN
OVERALL LENGTH3.7500 INCHES NOMINAL IN
OVERALL WIDTH0.7500 INCHES NOMINAL IN
MATERIAL THICKNESS0.1250 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN FIRST AND SECOND HOLES3.0310 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE OVERALL
TONGUE HOLE TYPEROUND, UNTHREADED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211791?
211791 is a CLAMP,LOOP.
What is the NSN for 211791?
211791 is cataloged in the U.S. Government catalog under NSN 5340-01-443-1317. This indicates validated use in U.S. government and defense supply chains.
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