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6307D-SS-2528 — INSERT,PANEL FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6307D-SS-2528: INSERT,PANEL FASTENER.

The INSERT,PANEL FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL, hole_type: THREADED-COUNTERBOREDTHREADED-COUNTERBORED, hole_diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, overall_length: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN, flange_diameter: 0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN, shoulder_diameter: 0.433 INCHES NOMINAL0.433 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-303-0990, 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
6307D-SS-2528
NSN: 5325-01-303-0990
FSC: 5325 — Fastening Devices
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
hole_typeTHREADED-COUNTERBOREDTHREADED-COUNTERBORED
hole_diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
overall_length0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
flange_diameter0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN
shoulder_diameter0.433 INCHES NOMINAL0.433 INCHES NOMINAL IN
material_accommodated_thickness0.171 INCHES MINIMUM AND 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM0.203 INCHES MAXIMUM IN
thread_size_and_series/type_designator1.250-28 UNF
NSN5325-01-303-0990
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6307D-SS-2528 · 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 DIAMETER: 0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.171 INCHES MINIMUM AND 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM0.203 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.433 INCHES NOMINAL0.433 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303 OR STEEL COMP 303SE OVERALL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1.250-28 UNF
•
HOLE TYPE: THREADED-COUNTERBOREDTHREADED-COUNTERBORED
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.171 INCHES MINIMUM AND 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM0.203 INCHES MAXIMUM IN
OVERALL LENGTH0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
SHOULDER DIAMETER0.433 INCHES NOMINAL0.433 INCHES NOMINAL IN
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR1.250-28 UNF
HOLE TYPETHREADED-COUNTERBOREDTHREADED-COUNTERBORED
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6307D-SS-2528?
6307D-SS-2528 is a INSERT,PANEL FASTENER.
What is the NSN for 6307D-SS-2528?
6307D-SS-2528 is cataloged in the U.S. Government catalog under NSN 5325-01-303-0990. 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.