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2182112 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2182112: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 321, design_type: SOLID, end_diameter: 0.8250 INCHES MINIMUM AND 0.8450 INCHES MAXIMUM IN, bore_diameter: 0.2510 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN, overall_height: 0.2050 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM IN, counterbore_diameter: 0.7450 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-232-9200, 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
2182112
NSN: 5340-01-232-9200
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 321
design_typeSOLID
end_diameter0.8250 INCHES MINIMUM AND 0.8450 INCHES MAXIMUM IN
bore_diameter0.2510 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
overall_height0.2050 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM IN
counterbore_diameter0.7450 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM IN
end_item_identificationCONTROL ASSEMBLY,PR
material_document_and_classificationAMS 5645 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-232-9200
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2182112 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: 0.8250 INCHES MINIMUM AND 0.8450 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE
•
COUNTERBORE DIAMETER: 0.7450 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.2510 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 321
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2050 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM IN
END DIAMETER0.8250 INCHES MINIMUM AND 0.8450 INCHES MAXIMUM IN
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5645 ASSN STD SINGLE MATERIAL RESPONSE
COUNTERBORE DIAMETER0.7450 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONCONTROL ASSEMBLY,PR
BORE DIAMETER0.2510 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
MATERIALSTEEL COMP 321
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 2182112?
2182112 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 2182112?
2182112 is cataloged in the U.S. Government catalog under NSN 5340-01-232-9200. 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.