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GS503B-SF10ES — INSERT,PANEL FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GS503B-SF10ES: INSERT,PANEL FASTENER.

The INSERT,PANEL FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, hole_type: THREADEDTHREADED, insert_style: PROTRUDING FLANGEPROTRUDING FLANGE, body_diameter: 0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.343 INCHES MAXIMUM0.343 INCHES MAXIMUM IN, flange_diameter: 0.625 INCHES NOMINAL0.625 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 5325-01-188-9714, 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
GS503B-SF10ES
NSN: 5325-01-188-9714
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
hole_typeTHREADEDTHREADED
insert_stylePROTRUDING FLANGEPROTRUDING FLANGE
body_diameter0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.343 INCHES MAXIMUM0.343 INCHES MAXIMUM IN
flange_diameter0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
flange_thickness0.023 INCHES NOMINAL0.023 INCHES NOMINAL IN
features_providedGROMMETGROMMET
surface_treatmentPASSIVATE OVERALL
thread_size_and_series/type_designator0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-188-9714
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GS503B-SF10ES · 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: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FEATURES PROVIDED: GROMMETGROMMET
•
BODY DIAMETER: 0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.343 INCHES MAXIMUM0.343 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
INSERT STYLE: PROTRUDING FLANGEPROTRUDING FLANGE
•
MATERIAL: STEEL COMP 303 OVERALL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FEATURES PROVIDEDGROMMETGROMMET
BODY DIAMETER0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.343 INCHES MAXIMUM0.343 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
INSERT STYLEPROTRUDING FLANGEPROTRUDING FLANGE
MATERIALSTEEL COMP 303 OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.190-32 UNIFIED NATIONAL JOINT FINE (UNJF)
HOLE TYPETHREADEDTHREADED
FLANGE THICKNESS0.023 INCHES NOMINAL0.023 INCHES NOMINAL IN
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GS503B-SF10ES?
GS503B-SF10ES is a INSERT,PANEL FASTENER.
What is the NSN for GS503B-SF10ES?
GS503B-SF10ES is cataloged in the U.S. Government catalog under NSN 5325-01-188-9714. 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.