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11438307-28 — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11438307-28: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 SPRING, head_style: FLAT CHAMFERFLAT CHAMFER, head_height: 0.520 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.451 INCHES NOMINAL IN, thread_length: 0.182 INCHES MINIMUM AND 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM0.192 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-232-9759, 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
11438307-28
NSN: 5305-01-232-9759
FSC: 5305 — Screws
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 SPRING
head_styleFLAT CHAMFERFLAT CHAMFER
head_height0.520 INCHES NOMINAL IN
thread_class2A A
head_diameter0.451 INCHES NOMINAL IN
thread_length0.182 INCHES MINIMUM AND 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM0.192 INCHES MAXIMUM IN
fastener_length0.957 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE FASTENER
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5305-01-232-9759
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11438307-28 · 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: 0.520 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.957 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
•
MATERIAL ACCOMMODATED THICKNESS: 0.032 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.182 INCHES MINIMUM AND 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM0.192 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.520 INCHES NOMINAL IN
FASTENER LENGTH0.957 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
MATERIAL ACCOMMODATED THICKNESS0.032 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
THREAD LENGTH0.182 INCHES MINIMUM AND 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM0.192 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
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 3
FRSS7500-10-B-6DLReference document
Same NSN cross-reference
Reference document — Secondary reference
FRSS7500-10-B-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
FT1300-10-2-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11438307-28?
11438307-28 is a SCREW ASSEMBLY,PANEL.
What parts can replace 11438307-28?
There are 3 known substitutes for 11438307-28: FRSS7500-10-B-6DL, FRSS7500-10-B-6, FT1300-10-2-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 11438307-28?
11438307-28 is cataloged in the U.S. Government catalog under NSN 5305-01-232-9759. 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.