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841581-86 — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

841581-86: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 PRIMARY WASHER, head_style: KNURLED NO. 3, head_height: 0.118 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, thread_length: 0.194 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-334-2823, 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
841581-86
NSN: 5305-01-334-2823
FSC: 5305 — Screws
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 301 PRIMARY WASHER
head_styleKNURLED NO. 3
head_height0.118 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
thread_length0.194 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
fastener_length0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE SPRING
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
NSN5305-01-334-2823
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 841581-86 · 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
•
HEAD HEIGHT: 0.118 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
•
MATERIAL ACCOMMODATED THICKNESS: 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.194 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.118 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
FASTENER LENGTH0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
MATERIAL ACCOMMODATED THICKNESS0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
THREAD LENGTH0.194 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 2
841581-086Reference document
Same NSN cross-reference
Reference document — Secondary reference
DSC7900-10-D-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 841581-86?
841581-86 is a SCREW ASSEMBLY,PANEL.
What parts can replace 841581-86?
There are 2 known substitutes for 841581-86: 841581-086, DSC7900-10-D-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 841581-86?
841581-86 is cataloged in the U.S. Government catalog under NSN 5305-01-334-2823. 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.