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12349971 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12349971: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include design_type: SOLID, bore_diameter: 0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN, overall_height: 0.5400 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE, surface_treatment_document_and_classification: QQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-255-7452, 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
12349971
NSN: 5340-01-255-7452
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025
design_typeSOLID
bore_diameter0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN
overall_height0.5400 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE
surface_treatment_document_and_classificationQQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-255-7452
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12349971 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: QQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
•
DESIGN TYPE: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM 575,GRADE 1010 OR 1012 OR 1015 OR 1017 OR 1020 OR 1025 ASSN STD ALL MATERIAL RESPONSES OR ASTM 576,GRADE 1010 OR 1012 OR 1015 OR 1017 OR 1018 OR 1019 OR 1020 OR 1021 OR 1022 OR 1025 ASSN STD ALL MATERIAL RESPONSES
•
SURFACE TREATMENT: CADMIUM AND CHROMATE
•
BORE DIAMETER: 0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.5400 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONASTM 575,GRADE 1010 OR 1012 OR 1015 OR 1017 OR 1020 OR 1025 ASSN STD ALL MATERIAL RESPONSES OR ASTM 576,GRADE 1010 OR 1012 OR 1015 OR 1017 OR 1018 OR 1019 OR 1020 OR 1021 OR 1022 OR 1025 ASSN STD ALL MATERIAL RESPONSES
SURFACE TREATMENTCADMIUM AND CHROMATE
BORE DIAMETER0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025
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 1
5340012557452Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12349971?
12349971 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 12349971?
There is 1 known substitute for 12349971: 5340012557452. Substitute compatibility should be verified for your specific system.
What is the NSN for 12349971?
12349971 is cataloged in the U.S. Government catalog under NSN 5340-01-255-7452. This indicates validated use in U.S. government and defense supply chains.
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