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GS501A — INSERT,PANEL FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GS501A: INSERT,PANEL FASTENER.

The INSERT,PANEL FASTENER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, hole_type: PLAINPLAIN, insert_style: FLUSH FLANGEFLUSH FLANGE, hole_diameter: 0.194 INCHES NOMINAL0.194 INCHES NOMINAL 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 5325-00-972-3357, 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
GS501A
NSN: 5325-00-972-3357
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
hole_typePLAINPLAIN
insert_styleFLUSH FLANGEFLUSH FLANGE
hole_diameter0.194 INCHES NOMINAL0.194 INCHES NOMINAL IN
flange_diameter0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
flange_thickness0.023 INCHES NOMINAL0.023 INCHES NOMINAL IN
special_features0.531 IN. PANEL THK0.531 IN. PANEL THK IN
features_providedGROMMETGROMMET
shoulder_diameter0.309 INCHES NOMINAL0.309 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
NSN5325-00-972-3357
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GS501A · 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
•
FEATURES PROVIDED: GROMMETGROMMET
•
HOLE DIAMETER: 0.194 INCHES NOMINAL0.194 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
SHOULDER DIAMETER: 0.309 INCHES NOMINAL0.309 INCHES NOMINAL IN
•
INSERT STYLE: FLUSH FLANGEFLUSH FLANGE
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
FEATURES PROVIDEDGROMMETGROMMET
HOLE DIAMETER0.194 INCHES NOMINAL0.194 INCHES NOMINAL IN
SPECIAL FEATURES0.531 IN. PANEL THK0.531 IN. PANEL THK IN
SURFACE TREATMENTANODIZE OVERALL
SHOULDER DIAMETER0.309 INCHES NOMINAL0.309 INCHES NOMINAL IN
INSERT STYLEFLUSH FLANGEFLUSH FLANGE
MATERIALALUMINUM ALLOY OVERALL
HOLE TYPEPLAINPLAIN
FLANGE THICKNESS0.023 INCHES NOMINAL0.023 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
P102C10-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GS501A?
GS501A is a INSERT,PANEL FASTENER.
What parts can replace GS501A?
There is 1 known substitute for GS501A: P102C10-1. Substitute compatibility should be verified for your specific system.
What is the NSN for GS501A?
GS501A is cataloged in the U.S. Government catalog under NSN 5325-00-972-3357. 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.