PartsTable
Technical Data Sheet
Download PDF

3522-S42-Z3B — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3522-S42-Z3B: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.375 INCHES NOMINAL IN, material: STEEL OVERALL, eyelet_length: 0.120 INCHES NOMINAL IN, stud_diameter: 0.215 INCHES NOMINAL IN, special_features: COLOR BLACK, stud_head_height: 0.450 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-477-1609, 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
3522-S42-Z3B
NSN: 5325-01-477-1609
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.375 INCHES NOMINAL IN
materialSTEEL OVERALL
eyelet_length0.120 INCHES NOMINAL IN
stud_diameter0.215 INCHES NOMINAL IN
special_featuresCOLOR BLACK
stud_head_height0.450 INCHES NOMINAL IN
surface_treatmentCHROMATE AND CADMIUM OVERALL
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.375 INCHES NOMINAL IN
turnlock_stud_head_styleFLAT FILLISTER
material_accommodated_thickness0.100 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
surface_treatment_document_and_classificationQQ-B-416, TY 2, CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
NSN5325-01-477-1609
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3522-S42-Z3B · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-B-416, TY 2, CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
EYELET OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.100 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
•
DIAMETER: 0.375 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.450 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: FLAT FILLISTER
•
SURFACE TREATMENT: CHROMATE AND CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-B-416, TY 2, CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
EYELET OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.100 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
DIAMETER0.375 INCHES NOMINAL IN
STUD HEAD HEIGHT0.450 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFLAT FILLISTER
SPECIAL FEATURESCOLOR BLACK
SURFACE TREATMENTCHROMATE AND CADMIUM OVERALL
MATERIALSTEEL OVERALL
STUD ASSEMBLY STYLESTUD ASSEMBLY
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 1
PVS35-42CBBReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 3522-S42-Z3B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3522-S42-Z3B?
3522-S42-Z3B is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 3522-S42-Z3B?
There is 1 known substitute for 3522-S42-Z3B: PVS35-42CBB. Substitute compatibility should be verified for your specific system.
What is the NSN for 3522-S42-Z3B?
3522-S42-Z3B is cataloged in the U.S. Government catalog under NSN 5325-01-477-1609. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3522-S42-Z3B

✓ 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.