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334634P01 — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

334634P01: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.394 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN, thread_length: 0.437 INCHES MINIMUM AND 0.597 INCHES MAXIMUM IN, fastener_length: 0.727 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-090-6340, 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
334634P01
NSN: 5305-01-090-6340
FSC: 5305 — Screws
CAGE: 58163 — MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8740 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.394 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
thread_length0.437 INCHES MINIMUM AND 0.597 INCHES MAXIMUM IN
fastener_length0.727 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
special_featuresTHREE 0.040 IN.WIDE BY 0.029 IN. DEEP SPLINES IN SHANK AND 120 DEGREES APART,THREAD TO BE DOUBLE LEAD IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentCADMIUM AND CHROMATE OVERALL
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength160000 POUNDS PER SQUARE INCH LBS
NSN5305-01-090-6340
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 334634P01 · 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
•
FASTENER LENGTH: 0.727 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.437 INCHES MINIMUM AND 0.597 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.727 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.437 INCHES MINIMUM AND 0.597 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESTHREE 0.040 IN.WIDE BY 0.029 IN. DEEP SPLINES IN SHANK AND 120 DEGREES APART,THREAD TO BE DOUBLE LEAD IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 2
CA2104-2HSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BACF34L4B-2HSReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 334634P01?
334634P01 is a SCREW ASSEMBLY,PANEL.
What parts can replace 334634P01?
There are 2 known substitutes for 334634P01: CA2104-2HS, BACF34L4B-2HS. Substitute compatibility should be verified for your specific system.
What is the NSN for 334634P01?
334634P01 is cataloged in the U.S. Government catalog under NSN 5305-01-090-6340. 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.