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230011 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

230011: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include length: 1.250 INCHES NOMINAL IN, material: PLASTIC PHENOLIC, screw_drive_type: HEXAGON SOCKET OR SLOT, style_designator: BAR WITH SINGLE POINTER AND FLARED SKIRT, attachment_method: SETSCREWS, overall_thickness: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-507-1449, 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
230011
NSN: 5340-00-507-1449
NIINs: 005071449, 011090382, 011384536
FSC: 5340 — Hardware, Commercial
CAGE: 55469 — ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES (USA)
SPECIFICATIONS
length1.250 INCHES NOMINAL IN
materialPLASTIC PHENOLIC
screw_drive_typeHEXAGON SOCKET OR SLOT
style_designatorBAR WITH SINGLE POINTER AND FLARED SKIRT
attachment_methodSETSCREWS
overall_thickness0.625 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES SCREW HOLE IN
setscrew_hole_quantity1
thread_quantity_per_inch32 SCREW HOLE
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
gripping_surface_conditionSMOOTH
distance_from_hole_center_to_knob/skirt_base0.281 INCHES NOMINAL IN
NSN5340-00-507-1449
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 230011 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: 1.0000 INCHES NOMINAL IN
•
END DIAMETER: 0.4375 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2188 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
BORE DIAMETER: 0.5625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2812 INCHES NOMINAL IN
FIRST STEP DIAMETER1.0000 INCHES NOMINAL IN
END DIAMETER0.4375 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2188 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE DIAMETER0.7500 INCHES NOMINAL IN
BORE DIAMETER0.5625 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
83-00009Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 230011?
230011 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 230011?
There is 1 known substitute for 230011: 83-00009. Substitute compatibility should be verified for your specific system.
What is the NSN for 230011?
230011 is cataloged in the U.S. Government catalog under NSN 5340-00-507-1449. 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.