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GS520AY5 — STUD,SNAPSLIDE FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GS520AY5: STUD,SNAPSLIDE FASTENER.

The STUD,SNAPSLIDE FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, neck_length: 0.085 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN, stud_length: 0.940 INCHES NOMINAL IN, shank_length: 0.500 INCHES NOMINAL IN, neck_diameter: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN, shank_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-006-9157, 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
GS520AY5
NSN: 5325-01-006-9157
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
neck_length0.085 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
stud_length0.940 INCHES NOMINAL IN
shank_length0.500 INCHES NOMINAL IN
neck_diameter0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
shank_diameter0.250 INCHES NOMINAL IN
shoulder_length0.137 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
largest_diameter0.380 INCHES NOMINAL IN
special_featuresHEX HEAD 0.047 IN. W; CHAMFER 0.016 BY 30 DEGREES IN
shoulder_diameter0.375 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
snapslide_stud_styleSTUD
NSN5325-01-006-9157
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GS520AY5 · 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
•
SHANK DIAMETER: 0.250 INCHES NOMINAL IN
•
NECK LENGTH: 0.085 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHANK LENGTH: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE BARREL
•
SNAPSLIDE STUD STYLE: STUD
•
STUD LENGTH: 0.940 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.250 INCHES NOMINAL IN
NECK LENGTH0.085 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SHANK LENGTH0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE BARREL
SNAPSLIDE STUD STYLESTUD
STUD LENGTH0.940 INCHES NOMINAL IN
SHOULDER DIAMETER0.375 INCHES NOMINAL IN
SPECIAL FEATURESHEX HEAD 0.047 IN. W; CHAMFER 0.016 BY 30 DEGREES IN
SURFACE TREATMENTPASSIVATE OVERALL
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 2
3H14-140-500Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
12520512Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 GS520AY5?
GS520AY5 is a STUD,SNAPSLIDE FASTENER.
What parts can replace GS520AY5?
There are 2 known substitutes for GS520AY5: 3H14-140-500, 12520512. Substitute compatibility should be verified for your specific system.
What is the NSN for GS520AY5?
GS520AY5 is cataloged in the U.S. Government catalog under NSN 5325-01-006-9157. 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.