PartsTable
Technical Data Sheet
Download PDF

368631-20 — INSERT,PANEL FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

368631-20: INSERT,PANEL FASTENER.

The INSERT,PANEL FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OVERALL, hole_type: THREADEDTHREADED, insert_style: PROTRUDING FLANGEPROTRUDING FLANGE, body_diameter: 0.185 INCHES MINIMUM AND 0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM0.188 INCHES MAXIMUM IN, flange_diameter: 0.247 INCHES MINIMUM AND 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM0.253 INCHES MAXIMUM IN, flange_thickness: 0.227 INCHES MINIMUM AND 0.227 INCHES MINIMUM AND 0.237 INCHES MAXIMUM0.237 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-476-4448, 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
368631-20
NSN: 5325-01-476-4448
FSC: 5325 — Fastening Devices
CAGE: 00752 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV ANTENNA PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OVERALL
hole_typeTHREADEDTHREADED
insert_stylePROTRUDING FLANGEPROTRUDING FLANGE
body_diameter0.185 INCHES MINIMUM AND 0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM0.188 INCHES MAXIMUM IN
flange_diameter0.247 INCHES MINIMUM AND 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM0.253 INCHES MAXIMUM IN
flange_thickness0.227 INCHES MINIMUM AND 0.227 INCHES MINIMUM AND 0.237 INCHES MAXIMUM0.237 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
material_document_and_classificationQQ-S-763A, CL7, TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
thread_size_and_series/type_designator6-32 UNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECTNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-476-4448
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 368631-20 · 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: 0.247 INCHES MINIMUM AND 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM0.253 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763A, CL7, TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
•
BODY DIAMETER: 0.185 INCHES MINIMUM AND 0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM0.188 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
INSERT STYLE: PROTRUDING FLANGEPROTRUDING FLANGE
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.247 INCHES MINIMUM AND 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM0.253 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763A, CL7, TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
BODY DIAMETER0.185 INCHES MINIMUM AND 0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM0.188 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
INSERT STYLEPROTRUDING FLANGEPROTRUDING FLANGE
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECTNAVY SPECIAL PROJECT
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR6-32 UNIFIED NATIONAL COARSE (UNC)
HOLE TYPETHREADEDTHREADED
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 368631-20?
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 368631-20?
368631-20 is a INSERT,PANEL FASTENER.
What is the NSN for 368631-20?
368631-20 is cataloged in the U.S. Government catalog under NSN 5325-01-476-4448. 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 — 368631-20

✓ 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.