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Technical Data Sheet
PartsTable / COMPONENT / G205521-5
G205521-5 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN, material: STEEL COMP 4037 STUD, drive_type: SLOTTED, eyelet_length: 0.322 INCHES NOMINAL IN, stud_head_height: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-298-7009, 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
G205521-5
NSN: 5325-00-298-7009
FSC: 5325
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
materialSTEEL COMP 4037 STUD
drive_typeSLOTTED
eyelet_length0.322 INCHES NOMINAL IN
stud_head_height0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_head_styleFLAT FILLISTER
material_accommodated_thickness0.120 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-00-298-7009
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G205521-5 · 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
•
MATERIAL: STEEL COMP 4037 STUD
•
STUD ASSEMBLY STYLE: STUD ASSEMBLY
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DIAMETER: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE EYELET
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 4037 STUD
STUD ASSEMBLY STYLESTUD ASSEMBLY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DIAMETER0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL EJECTOR SPRING
MATERIALSTEEL COMP 1009 EYELET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE EYELET
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD 1ST MATERIAL RESPONSE AND ASTM A331 ASSN STD 2ND MATERIAL RESPONSE STUD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
DL038-1-23CInterchangeable
interchangeable cross-reference
interchangeable
451665Interchangeable
interchangeable cross-reference
interchangeable
FF-S-107C TY B OR TY ABInterchangeable
interchangeable cross-reference
interchangeable
26-005Interchangeable
interchangeable cross-reference
interchangeable
134455Interchangeable
interchangeable cross-reference
interchangeable
52008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G205521-5?
G205521-5 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace G205521-5?
There are 23 known substitutes for G205521-5: DL038-1-23C, 451665, FF-S-107C TY B OR TY AB and 20 more. Substitute compatibility should be verified for your specific system.
Is G205521-5 still available?
G205521-5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026