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1A7427 — LOCKING PLATE,NUT AND BOLT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1A7427: LOCKING PLATE,NUT AND BOLT.

The LOCKING PLATE,NUT AND BOLT is a the manufacturer industrial component. Key specifications include width: 0.750 INCHES NOMINAL IN, material: STEEL, end_radius: 60.000 INCHES NOMINAL IN, plate_thickness: 0.250 INCHES NOMINAL IN, style_designator: STRAIGHT, mounting_hole_diameter: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-252-3665, 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
1A7427
NSN: 5330-00-252-3665
NIINs: 002523665, 004263107
FSC: 5330 — Packing and Gasket Materials
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
width0.750 INCHES NOMINAL IN
materialSTEEL
end_radius60.000 INCHES NOMINAL IN
plate_thickness0.250 INCHES NOMINAL IN
style_designatorSTRAIGHT
mounting_hole_diameter0.406 INCHES NOMINAL IN
mounting_hole_quantity2
cross-sectional_shape_styleFLAT
distance_between_mounting_hole_centers2.750 INCHES NOMINAL IN
center_to_center_distance_between_center_aperture/mounting_hole_and_end_mounting_hole0.562 INCHES NOMINAL IN
NSN5330-00-252-3665
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1A7427 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
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.406 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.938 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER1.406 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.250 INCHES NOMINAL IN
APERTURE DIAMETER1.938 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER3.312 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.469 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
24758Reference document
Same NSN cross-reference
Reference document — Secondary reference
2UU01433Reference document
Same NSN cross-reference
Reference document — Secondary reference
7219AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1A7427?
1A7427 is a LOCKING PLATE,NUT AND BOLT.
What parts can replace 1A7427?
There are 3 known substitutes for 1A7427: 24758, 2UU01433, 7219A. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A7427?
1A7427 is cataloged in the U.S. Government catalog under NSN 5330-00-252-3665. 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.