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F18427-04 — RETAINER,NUT AND BOLT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

F18427-04: RETAINER,NUT AND BOLT.

The RETAINER,NUT AND BOLT is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, overall_width: 0.554 INCHES MAXIMUM IN, overall_length: 1.306 INCHES MAXIMUM IN, style_designator: ANCHOR, surface_treatment: PASSIVATE, material_thickness: 0.029 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-127-8901, 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
F18427-04
NSN: 5340-01-127-8901
FSC: 5340 — Hardware, Commercial
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660
overall_width0.554 INCHES MAXIMUM IN
overall_length1.306 INCHES MAXIMUM IN
style_designatorANCHOR
surface_treatmentPASSIVATE
material_thickness0.029 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
mounting_hole_diameter0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
material_document_and_classificationAMS 5732,COMP 660 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
distance_between_mounting_hole_centers0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
center_to_center_distance_between_cup_and_mounting_hole0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
NSN5340-01-127-8901
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: F18427-04 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
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ANCHOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5732,COMP 660 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.029 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN CUP AND MOUNTING HOLE: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE BETWEEN MOUNTING HOLE CENTERS0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
STYLE DESIGNATORANCHOR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732,COMP 660 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
OVERALL LENGTH1.306 INCHES MAXIMUM IN
OVERALL WIDTH0.554 INCHES MAXIMUM IN
MATERIAL THICKNESS0.029 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN CUP AND MOUNTING HOLE0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
MATERIALIRON ALLOY 660
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 4
NS202042-1-048Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10112529Reference document
Same NSN cross-reference
Reference document — Informative reference only
F49251-4FBSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BFN442-4RTSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 F18427-04?
F18427-04 is a RETAINER,NUT AND BOLT.
What parts can replace F18427-04?
There are 4 known substitutes for F18427-04: NS202042-1-048, 10112529, F49251-4FB and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F18427-04?
F18427-04 is cataloged in the U.S. Government catalog under NSN 5340-01-127-8901. 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.