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ST1072-4-1-2 — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST1072-4-1-2: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 FASTENER, head_style: PAN NO. 2, head_height: 0.052 INCHES MINIMUM AND 0.084 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, thread_length: 0.187 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-264-5898, 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
ST1072-4-1-2
NSN: 5305-01-264-5898
FSC: 5305 — Screws
CAGE: 58794 — FASTENER TECHNOLOGY CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 FASTENER
head_stylePAN NO. 2
head_height0.052 INCHES MINIMUM AND 0.084 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_length0.187 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
fastener_length0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE PRIMARY WASHER
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
NSN5305-01-264-5898
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST1072-4-1-2 · 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: 0.052 INCHES MINIMUM AND 0.084 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
•
MATERIAL ACCOMMODATED THICKNESS: 0.031 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.187 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.052 INCHES MINIMUM AND 0.084 INCHES MAXIMUM IN
FASTENER LENGTH0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
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 STAND-OFF
MATERIAL ACCOMMODATED THICKNESS0.031 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
THREAD LENGTH0.187 INCHES MINIMUM AND 0.219 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
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
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 1
FCTA7900L-4-A-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ST1072-4-1-2?
ST1072-4-1-2 is a SCREW ASSEMBLY,PANEL.
What parts can replace ST1072-4-1-2?
There is 1 known substitute for ST1072-4-1-2: FCTA7900L-4-A-2. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1072-4-1-2?
ST1072-4-1-2 is cataloged in the U.S. Government catalog under NSN 5305-01-264-5898. 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.