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1816798 — CLIP,SPRING TENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1816798: CLIP,SPRING TENSION.

The CLIP,SPRING TENSION is a the manufacturer industrial component. Key specifications include width: 1.188 INCHES NOMINAL IN, length: 1.438 INCHES NOMINAL IN, material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL, loop_radius: 0.406 INCHES NOMINAL IN, hole_diameter: 0.102 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, overall_height: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-708-5184, 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
1816798
NSN: 5340-00-708-5184
FSC: 5340 — Hardware, Commercial
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width1.188 INCHES NOMINAL IN
length1.438 INCHES NOMINAL IN
materialCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
loop_radius0.406 INCHES NOMINAL IN
hole_diameter0.102 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
overall_height0.625 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
surface_treatmentNICKEL OVERALL
material_thickness0.010 INCHES NOMINAL IN
material_document_and_classificationQQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
distance_from_end_to_hole_nearest_loop0.219 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-N-290,CLASS 1,TYPE 5 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-00-708-5184
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1816798 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
•
LENGTH: 1.438 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290,CLASS 1,TYPE 5 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
DISTANCE FROM END TO HOLE NEAREST LOOP: 0.219 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
LOOP RADIUS: 0.406 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.010 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.625 INCHES NOMINAL IN
LENGTH1.438 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CLASS 1,TYPE 5 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MOUNTING METHODUNTHREADED HOLE(S)
DISTANCE FROM END TO HOLE NEAREST LOOP0.219 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
LOOP RADIUS0.406 INCHES NOMINAL IN
MATERIAL THICKNESS0.010 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL OVERALL
WIDTH1.188 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1816798?
1816798 is a CLIP,SPRING TENSION.
What is the NSN for 1816798?
1816798 is cataloged in the U.S. Government catalog under NSN 5340-00-708-5184. 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.