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PartsTable / COMPONENT / A809
A809 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL, hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.500 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.016 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-275-5953, 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
A809
NSN: 5325-00-275-5953
FSC: 5325
CAGE: 57771 — EDWIN B. STIMPSON COMPANY, INC. DBA STIMPSON (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.500 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter2.016 INCHES NOMINAL IN
bolt_hole_quantity4
fsc_application_dataENGINE,AIRCRAFT,RECIPROCATING
outside_corner_radius0.250 INCHES NOMINAL IN
cross-sectional_thickness0.016 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-A-7021,CL 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5325-00-275-5953
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A809 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE OUTSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
BARREL HEIGHT: 0.097 INCHES NOMINAL IN
•
FLANGE STYLE: FLANGE
•
MATERIAL: COPPER ALLOY OVERALL
•
BARREL OUTSIDE DIAMETER: 0.081 INCHES NOMINAL IN
•
BARREL STYLE: STRAIGHT ROUND TYPE
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.125 INCHES NOMINAL IN
BARREL HEIGHT0.097 INCHES NOMINAL IN
FLANGE STYLEFLANGE
MATERIALCOPPER ALLOY OVERALL
BARREL OUTSIDE DIAMETER0.081 INCHES NOMINAL IN
BARREL STYLESTRAIGHT ROUND TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
1026-3-05Interchangeable
interchangeable cross-reference
interchangeable
PR5512-5Interchangeable
interchangeable cross-reference
interchangeable
57A5A52-4Interchangeable
interchangeable cross-reference
interchangeable
10263Interchangeable
interchangeable cross-reference
interchangeable
60456Interchangeable
interchangeable cross-reference
interchangeable
A6031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A809?
A809 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace A809?
There are 16 known substitutes for A809: 1026-3-05, PR5512-5, 57A5A52-4 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A809?
A809 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-275-5953. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026