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12941457 — STOP,MECHANICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12941457: STOP,MECHANICAL.

The STOP,MECHANICAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, design_type: STRAIGHT, overall_width: 7.740 INCHES NOMINAL IN, overall_length: 2.690 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN, special_features: 2 X 0.435 IN. MOUNTING HOLES; SECOND MATERIAL OPTION-ALUMINUM,ALLOY,5086-H32,SPEC QQ-A-250/7; 0.190 IN.

THK IN, end_item_identification: 2350-01-305-0028. This part is cataloged in the U.S. Government catalog under NSN 5340-01-355-5086, 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
12941457
NSN: 5340-01-355-5086
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSTRAIGHT
overall_width7.740 INCHES NOMINAL IN
overall_length2.690 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN
special_features2 X 0.435 IN. MOUNTING HOLES; SECOND MATERIAL OPTION-ALUMINUM,ALLOY,5086-H32,SPEC QQ-A-250/7; 0.190 IN. THK IN
end_item_identification2350-01-305-0028
material_document_and_classificationQQ-A-250/8, ALLOY 5052 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-355-5086
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12941457 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
•
DESIGN TYPE: STRAIGHT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8, ALLOY 5052 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
DESIGN TYPESTRAIGHT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8, ALLOY 5052 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.690 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN
OVERALL WIDTH7.740 INCHES NOMINAL IN
SPECIAL FEATURES2 X 0.435 IN. MOUNTING HOLES; SECOND MATERIAL OPTION-ALUMINUM,ALLOY,5086-H32,SPEC QQ-A-250/7; 0.190 IN. THK IN
END ITEM IDENTIFICATION2350-01-305-0028
MATERIALALUMINUM ALLOY
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 12941457?
12941457 is a STOP,MECHANICAL.
What is the NSN for 12941457?
12941457 is cataloged in the U.S. Government catalog under NSN 5340-01-355-5086. This indicates validated use in U.S. government and defense supply chains.
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