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546794 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

546794: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 416SE, design_type: SOLID, end_diameter: 1.02000 INCHES NOMINAL IN, bore_diameter: 0.3300 INCHES NOMINAL IN, overall_height: 0.2200 INCHES NOMINAL IN, special_features: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-717-7250, 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
546794
NSN: 5340-00-717-7250
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416SE
design_typeSOLID
end_diameter1.02000 INCHES NOMINAL IN
bore_diameter0.3300 INCHES NOMINAL IN
overall_height0.2200 INCHES NOMINAL IN
special_featuresNOT CASEHARDENED
style_designatorSEAT
counterbore_length0.0550 INCHES NOMINAL IN
first_step_diameter1.4170 INCHES NOMINAL IN
chamfer_angle_in_deg0.3
counterbore_diameter0.9350 INCHES NOMINAL IN
countersink_diameter0.3100 INCHES NOMINAL IN
NSN5340-00-717-7250
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 546794 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: 1.4170 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
END DIAMETER: 1.02000 INCHES NOMINAL IN
•
COUNTERSINK DIAMETER: 0.3100 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1550 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2200 INCHES NOMINAL IN
FIRST STEP DIAMETER1.4170 INCHES NOMINAL IN
MATERIAL HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
END DIAMETER1.02000 INCHES NOMINAL IN
COUNTERSINK DIAMETER0.3100 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1550 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE
COUNTERBORE LENGTH0.0550 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
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FREQUENTLY ASKED QUESTIONS
What is 546794?
546794 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 546794?
546794 is cataloged in the U.S. Government catalog under NSN 5340-00-717-7250. 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.