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NAS1834-3-421 — INSERT,PANEL FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NAS1834-3-421: INSERT,PANEL FASTENER.

The INSERT,PANEL FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: PLAINPLAIN, insert_style: PROTRUDING FLANGEPROTRUDING FLANGE, hole_diameter: 0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM0.201 INCHES MAXIMUM IN, overall_length: 0.421 INCHES NOMINAL0.421 INCHES NOMINAL IN, flange_diameter: 0.550 INCHES MINIMUM AND 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM0.560 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-690-0771, 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
NAS1834-3-421
NSN: 5325-01-690-0771
FSC: 5325 — Fastening Devices
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typePLAINPLAIN
insert_stylePROTRUDING FLANGEPROTRUDING FLANGE
hole_diameter0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM0.201 INCHES MAXIMUM IN
overall_length0.421 INCHES NOMINAL0.421 INCHES NOMINAL IN
flange_diameter0.550 INCHES MINIMUM AND 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM0.560 INCHES MAXIMUM IN
features_providedPOTTING HOLE AND POTTING HOLE AND POTTING SLOTPOTTING SLOT
shoulder_diameter0.300 INCHES NOMINAL0.300 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
specification/standard_data80205-NAS1834 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_accommodated_thickness0.561 INCHES MINIMUM AND 0.561 INCHES MINIMUM AND 0.566 INCHES MAXIMUM0.566 INCHES MAXIMUM IN
material_document_and_classificationASTM A 108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A 576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-01-690-0771
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS1834-3-421 · 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: 0.550 INCHES MINIMUM AND 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM0.560 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL ACCOMMODATED THICKNESS: 0.561 INCHES MINIMUM AND 0.561 INCHES MINIMUM AND 0.566 INCHES MAXIMUM0.566 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A 108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A 576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FEATURES PROVIDED: POTTING HOLE AND POTTING HOLE AND POTTING SLOTPOTTING SLOT
•
SPECIFICATION/STANDARD DATA: 80205-NAS1834 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM0.201 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.550 INCHES MINIMUM AND 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM0.560 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL ACCOMMODATED THICKNESS0.561 INCHES MINIMUM AND 0.561 INCHES MINIMUM AND 0.566 INCHES MAXIMUM0.566 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A 108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A 576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.421 INCHES NOMINAL0.421 INCHES NOMINAL IN
FEATURES PROVIDEDPOTTING HOLE AND POTTING HOLE AND POTTING SLOTPOTTING SLOT
SPECIFICATION/STANDARD DATA80205-NAS1834 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM0.201 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SHOULDER DIAMETER0.300 INCHES NOMINAL0.300 INCHES NOMINAL IN
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
NAS1834Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1834-3-421?
NAS1834-3-421 is a INSERT,PANEL FASTENER.
What parts can replace NAS1834-3-421?
There is 1 known substitute for NAS1834-3-421: NAS1834. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1834-3-421?
NAS1834-3-421 is cataloged in the U.S. Government catalog under NSN 5325-01-690-0771. This indicates validated use in U.S. government and defense supply chains.
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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.