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S1660-61116-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S1660-61116-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: MAGNESIUM ALLOY AZ31B, securing_device_type: FRICTION CATCH, material_document_and_classification: QQ-M-31,AZ31B FED SPEC ALL MATERIAL RESPONSES. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-012-4051, 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
S1660-61116-1
NSN: 5340-00-012-4051
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialMAGNESIUM ALLOY AZ31B
securing_device_typeFRICTION CATCH
material_document_and_classificationQQ-M-31,AZ31B FED SPEC ALL MATERIAL RESPONSES
NSN5340-00-012-4051
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S1660-61116-1 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-M-31,AZ31B FED SPEC ALL MATERIAL RESPONSES
•
SECURING DEVICE TYPE: FRICTION CATCH
•
MATERIAL: MAGNESIUM ALLOY AZ31B
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-M-31,AZ31B FED SPEC ALL MATERIAL RESPONSES
SECURING DEVICE TYPEFRICTION CATCH
MATERIALMAGNESIUM ALLOY AZ31B
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
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is S1660-61116-1?
S1660-61116-1 is a COVER,ACCESS.
What is the NSN for S1660-61116-1?
S1660-61116-1 is cataloged in the U.S. Government catalog under NSN 5340-00-012-4051. 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.