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9645M87P01 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9645M87P01: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, material: STEEL COMP 8740 HOUSING, drive_type: CROSS RECESS, eyelet_length: 0.490 INCHES NOMINAL IN, surface_treatment: CADMIUM GROMMET, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-442-7616, 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
9645M87P01
NSN: 5325-00-442-7616
FSC: 5325 — Fastening Devices
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
diameter0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
materialSTEEL COMP 8740 HOUSING
drive_typeCROSS RECESS
eyelet_length0.490 INCHES NOMINAL IN
special_featuresSPRING MATERIAL 17-7 PH CRES PER AMS 5673:SPRING FINISH PASSIVATE PER QQ-P-35:USED WITH FX10-1510 OR FX10- 1502 RECEPTACLE AND FX10-1525 RETAIN- ING RING
surface_treatmentCADMIUM GROMMET
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
turnlock_stud_head_styleFLAT COUNTERSUNK
material_accommodated_thickness0.291 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE HOUSING
stud_thread_size_and_series/type_designator.190-32 UNF
NSN5325-00-442-7616
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9645M87P01 · 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-P-416,TYPE 11,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE GROMMET
•
EYELET OUTSIDE DIAMETER: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
DRIVE TYPE: CROSS RECESS
•
MATERIAL ACCOMMODATED THICKNESS: 0.291 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE GROMMET
•
DIAMETER: 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 11,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE GROMMET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE HOUSING
EYELET OUTSIDE DIAMETER0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
DRIVE TYPECROSS RECESS
MATERIAL ACCOMMODATED THICKNESS0.291 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE GROMMET
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE HOUSING
DIAMETER0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.550 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
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
FX10-1555-3TSSame 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 9645M87P01?
9645M87P01 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 9645M87P01?
There is 1 known substitute for 9645M87P01: FX10-1555-3TS. Substitute compatibility should be verified for your specific system.
What is the NSN for 9645M87P01?
9645M87P01 is cataloged in the U.S. Government catalog under NSN 5325-00-442-7616. 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.