PartsTable
Technical Data Sheet
Download PDF

2515W257 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2515W257: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY 6061, design_type: SOLID, end_diameter: 0.4500 INCHES NOMINAL IN, bore_diameter: 0.1600 INCHES NOMINAL IN, overall_height: 0.2950 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-374-6034, 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
2515W257
NSN: 5340-01-374-6034
FSC: 5340 — Hardware, Commercial
CAGE: 9N752 — GARRETT CORP AIRSUPPLY CO DIV (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeSOLID
end_diameter0.4500 INCHES NOMINAL IN
bore_diameter0.1600 INCHES NOMINAL IN
overall_height0.2950 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN
style_designatorSEAT
first_step_length0.1280 INCHES NOMINAL IN
surface_treatmentANODIZE
counterbore_length0.1400 INCHES NOMINAL IN
counterbore_diameter1.2650 INCHES NOMINAL IN
second_step_diameter1.6000 INCHES NOMINAL IN
distance_from_end_to_first_step0.1575 INCHES NOMINAL IN
NSN5340-01-374-6034
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2515W257 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
•
END DIAMETER: 0.4500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE FROM END TO FIRST STEP: 0.1575 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
COUNTERBORE LENGTH: 0.1400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2950 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN
END DIAMETER0.4500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
DISTANCE FROM END TO FIRST STEP0.1575 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
COUNTERBORE LENGTH0.1400 INCHES NOMINAL IN
SECOND STEP DIAMETER1.6000 INCHES NOMINAL IN
COUNTERBORE DIAMETER1.2650 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
Ready to buy 2515W257?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2515W257?
2515W257 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 2515W257?
2515W257 is cataloged in the U.S. Government catalog under NSN 5340-01-374-6034. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2515W257