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10112439 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

10112439: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY A380.0, design_type: SOLID, end_diameter: 0.9940 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN, bore_diameter: 0.5400 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN, overall_height: 0.3700 INCHES MINIMUM AND 0.4000 INCHES MAXIMUM IN, special_features: TWO SLOTS SPACED 80 DEG APART THRU SEAT,0.192 IN. LG,0.170 IN.

W AND 0.335 IN. LG. IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-124-1427, 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
10112439
NSN: 5340-01-124-1427
FSC: 5340 — Hardware, Commercial
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialALUMINUM ALLOY A380.0
design_typeSOLID
end_diameter0.9940 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
bore_diameter0.5400 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN
overall_height0.3700 INCHES MINIMUM AND 0.4000 INCHES MAXIMUM IN
special_featuresTWO SLOTS SPACED 80 DEG APART THRU SEAT,0.192 IN. LG,0.170 IN. W AND 0.335 IN. LG. IN
style_designatorSEAT
first_step_length0.0340 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM IN
surface_treatmentANODIZE
counterbore_length0.2700 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
first_step_diameter1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
second_end_diameter1.1200 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
NSN5340-01-124-1427
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10112439 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
•
FIRST STEP DIAMETER: 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
•
END DIAMETER: 0.9940 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: EMS52360,TY 2,CL 1,FSCM 99193 MFR REF SINGLE TREATMENT RESPONSE
•
SECOND END DIAMETER: 1.1200 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.1200 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.3700 INCHES MINIMUM AND 0.4000 INCHES MAXIMUM IN
FIRST STEP DIAMETER1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
END DIAMETER0.9940 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONEMS52360,TY 2,CL 1,FSCM 99193 MFR REF SINGLE TREATMENT RESPONSE
SECOND END DIAMETER1.1200 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.1200 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE
COUNTERBORE LENGTH0.2700 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM 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 1
3168616-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 10112439?
10112439 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 10112439?
There is 1 known substitute for 10112439: 3168616-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 10112439?
10112439 is cataloged in the U.S. Government catalog under NSN 5340-01-124-1427. 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.