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S104D428-08 — INSERT,PANEL FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S104D428-08: INSERT,PANEL FASTENER.

The INSERT,PANEL FASTENER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, hole_type: THREADEDTHREADED, insert_style: FLUSH FLANGEFLUSH FLANGE, body_diameter: 0.403 INCHES NOMINAL0.403 INCHES NOMINAL IN, flange_diameter: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN, flange_thickness: 0.023 INCHES NOMINAL0.023 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-371-8494, 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
S104D428-08
NSN: 5325-01-371-8494
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
hole_typeTHREADEDTHREADED
insert_styleFLUSH FLANGEFLUSH FLANGE
body_diameter0.403 INCHES NOMINAL0.403 INCHES NOMINAL IN
flange_diameter0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
flange_thickness0.023 INCHES NOMINAL0.023 INCHES NOMINAL IN
special_features0.496 IN. LENGTH0.496 IN. LENGTH IN
features_providedGROMMETGROMMET
surface_treatmentANODIZE OVERALL
material_document_and_classificationQQ-A-250/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
thread_size_and_series/type_designator0.250-28 UNIFIED NATIONAL JOINT FINE (UNJF)
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-371-8494
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S104D428-08 · 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: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FEATURES PROVIDED: GROMMETGROMMET
•
BODY DIAMETER: 0.403 INCHES NOMINAL0.403 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
INSERT STYLE: FLUSH FLANGEFLUSH FLANGE
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FEATURES PROVIDEDGROMMETGROMMET
BODY DIAMETER0.403 INCHES NOMINAL0.403 INCHES NOMINAL IN
SPECIAL FEATURES0.496 IN. LENGTH0.496 IN. LENGTH IN
SURFACE TREATMENTANODIZE OVERALL
INSERT STYLEFLUSH FLANGEFLUSH FLANGE
MATERIALALUMINUM ALLOY 2024 OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-28 UNIFIED NATIONAL JOINT FINE (UNJF)
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S104D428-08?
S104D428-08 is a INSERT,PANEL FASTENER.
What is the NSN for S104D428-08?
S104D428-08 is cataloged in the U.S. Government catalog under NSN 5325-01-371-8494. 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.