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114S2971-25 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

114S2971-25: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 4340, design_type: SOLID, end_diameter: 2.2200 INCHES NOMINAL IN, overall_height: 0.9500 INCHES NOMINAL IN, special_features: NOT CASEHARDENED, first_step_length: 0.0800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-103-9507, 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
114S2971-25
NSN: 5340-00-103-9507
FSC: 5340 — Hardware, Commercial
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4340
design_typeSOLID
end_diameter2.2200 INCHES NOMINAL IN
overall_height0.9500 INCHES NOMINAL IN
special_featuresNOT CASEHARDENED
first_step_length0.0800 INCHES NOMINAL IN
first_step_diameter2.8750 INCHES NOMINAL IN
fsc_application_dataFUSELAGE SECT.,ACFT
material_hardness_rating33.0 ROCKWELL C MAXIMUM
distance_from_end_to_first_step0.2500 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-103-9507
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 114S2971-25 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
•
FSC APPLICATION DATA: FUSELAGE SECT.,ACFT
•
FIRST STEP DIAMETER: 2.8750 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 33.0 ROCKWELL C MAXIMUM
•
END DIAMETER: 2.2200 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2500 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.9500 INCHES NOMINAL IN
FSC APPLICATION DATAFUSELAGE SECT.,ACFT
FIRST STEP DIAMETER2.8750 INCHES NOMINAL IN
MATERIAL HARDNESS RATING33.0 ROCKWELL C MAXIMUM
END DIAMETER2.2200 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2500 INCHES NOMINAL IN
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE
FIRST STEP LENGTH0.0800 INCHES NOMINAL IN
SPECIAL FEATURESNOT CASEHARDENED
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
114S2979-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 114S2971-25?
114S2971-25 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 114S2971-25?
There is 1 known substitute for 114S2971-25: 114S2979-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 114S2971-25?
114S2971-25 is cataloged in the U.S. Government catalog under NSN 5340-00-103-9507. This indicates validated use in U.S. government and defense supply chains.
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